Category: Family Health

  • Childhood MEN2 Syndrome – NCI

    Childhood MEN2 Syndrome – NCI

    There are different types of treatment for children and adolescents with tumors related to MEN2 syndrome. You and your child’s cancer team will work together to decide treatment. Many factors will be considered, such as your child’s overall health and whether the cancer is newly diagnosed or has come back. 

    Your child’s treatment plan will include information about the cancer, the goals of treatment, treatment options, and the possible side effects. It will be helpful to talk with your child’s cancer care team before treatment begins about what to expect. For help every step of the way, see our booklet, Children with Cancer: A Guide for Parents

    Types of treatment your child might have include: 

    Surgery

    Surgery may be done to remove the thyroid gland when a child has medullary thyroid cancer caused by MEN2 syndromes. The thyroid may also be removed to prevent medullary thyroid cancer from developing.

    Targeted therapy 

    Targeted therapy uses drugs or other substances to block the action of specific enzymes, proteins, or other molecules involved in the growth of tumor cells. 

    Selpercatinib and vandetanib are used to treat medullary thyroid cancer caused by MEN2 syndrome.

    Learn more about Targeted Therapy to Treat Cancer.

    Clinical trials

    For some children, joining a clinical trial may be an option. There are different types of clinical trials for childhood cancer. For example, a treatment trial tests new treatments or new ways of using current treatments. Supportive care and palliative care trials look at ways to improve quality of life, especially for those who have side effects from cancer and its treatment.

    You can use the clinical trial search to find NCI-supported cancer clinical trials accepting participants. The search allows you to filter trials based on the type of cancer, your child’s age, and where the trials are being done. Clinical trials supported by other organizations can be found on the ClinicalTrials.gov website.

    Learn more about clinical trials, including how to find and join one, at Cancer Clinical Trial Information for Patients and Caregivers.

    Treatment of tumors caused by childhood MEN2A syndrome

    There is an increased risk of medullary thyroid cancer, an aggressive form of thyroid cancer, in people with MEN2A syndrome. Children with MEN2A syndrome and certain changes in the RET gene usually have surgery to remove the thyroid before age 5 years to lessen the chance cancer will form or spread. Treatment is also given for pheochromocytoma and hyperparathyroidism as needed. 

    Treatment of medullary thyroid cancer in children who have MEN2A syndrome may include: 

    Treatment of tumors caused by childhood MEN2B syndrome

    There is an increased risk of medullary thyroid cancer, an aggressive form of thyroid cancer, in people with MEN2B syndrome. Infants with MEN2B syndrome and certain changes in the RET gene usually have surgery to remove the thyroid to lessen the chance cancer will form. Treatment is also given for pheochromocytoma and other conditions as needed. 

    Children with MEN2B syndrome who have medullary thyroid cancer may be treated with: 

    Treatment of recurrent tumors caused by childhood MEN2 syndrome

    If the cancer linked to MEN2 syndrome comes back after treatment, your child’s doctor will talk with you about what to expect and possible next steps. There might be treatment options that may shrink the cancer or control its growth. If there are no treatments, your child can receive care to control symptoms from cancer so they can be as comfortable as possible.

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  • Secondhand Tobacco Smoke (Environmental Tobacco Smoke) – Cancer-Causing Substances

    Secondhand Tobacco Smoke (Environmental Tobacco Smoke) – Cancer-Causing Substances

    What is secondhand tobacco smoke?

    Secondhand tobacco smoke is the combination of the smoke given off by a burning tobacco product and the smoke exhaled by a smoker. It is also called environmental tobacco smoke, involuntary smoke, and passive smoke.

    More than 7,000 chemicals have been identified in secondhand tobacco smoke. At least 69 of these chemicals are known to cause cancer, including arsenic, benzene, beryllium, chromium, and formaldehyde.

    How are people exposed to secondhand smoke?

    People can be exposed to secondhand smoke in homes, cars, the workplace, and public places. In the United States, the source of most secondhand smoke is from cigarettes, followed by pipes, cigars, and other tobacco products.

    Which cancers are associated with secondhand smoke?

    Inhaling secondhand smoke causes lung cancer in nonsmokers. Some research also suggests that secondhand smoke may increase the risk of breast cancer, nasal sinus cavity cancer, and nasopharyngeal cancer in adults and leukemia, lymphoma, and brain tumors in children, although more research is needed on this subject.

    How can exposures to nonsmokers be reduced?

    There is no safe level of exposure to secondhand smoke; even low levels of secondhand smoke can be harmful. In the United States, legislation has helped to reduce nonsmokers’ exposure to secondhand smoke. Federal law bans smoking on all domestic airline flights, nearly all flights between the United States and foreign destinations, interstate buses, and most trains. Smoking is also banned in most federally owned buildings. Many state and local governments have also passed laws prohibiting smoking in public facilities, such as schools, hospitals, and airports, as well as private workplaces, including restaurants and bars.

    Internationally, a growing number of nations require all workplaces, including bars and restaurants, to be smoke free.

    Selected References:

    • National Toxicology Program. Tobacco-Related Exposures, Report on Carcinogens, Fifteenth Edition. Triangle Park, NC: National Institute of Environmental Health and Safety, 2021. Also available online. Last accessed December 8, 2022.
    • Office on Smoking and Health. About Secondhand Smoke. Atlanta, GA: U.S. Centers for Disease Control and Prevention, 2024. Available online. Last accessed June 13, 2024.
    • U.S. Department of Health and Human Services. The Health Consequences of Involuntary Exposure to Tobacco Smoke: A Report of the Surgeon General. Rockville, MD: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, Coordinating Center for Health Promotion, National Center for Chronic Disease Prevention and Health Promotion, Office on Smoking and Health, 2006.
    • U.S. Department of Health and Human Services. The Health Consequences of Smoking—50 Years of Progress: A Report of the Surgeon General. Atlanta: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Office on Smoking and Health, 2014.

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  • Vaccine Basics | Vaccines & Immunizations

    Vaccine Basics | Vaccines & Immunizations

    Every vaccine ingredient serves a purpose

    To provide immunity

    We become immune to (or protected from) a disease when our bodies create specific antibodies to fight that disease. Vaccines contain ingredients that help your body build this immunity.

    To keep the vaccine safe and long-lasting

    Vaccines need to be safe and effective. Certain ingredients help keep vaccines safe from contamination and toxins. Others, like stabilizers, help vaccines stay effective for a long time.

    To make the vaccine more effective

    All vaccine ingredients help to make a vaccine as effective as possible, while being safe. Ingredients like aluminum salt help boost the body’s response to the vaccine.

    Ingredients found in some vaccines

    Stabilizers

    • Purpose: To keep the vaccine effective after manufacturing
    • Most commonly found in: Jell-O®, naturally in the body
    • Examples: Sugars, gelatin

    Adjuvants

    • Purpose: To help boost the body’s response to the vaccine
    • Most commonly found in: Drinking water, infant formula, and some health products such as antacids, buffered aspirin, and antiperspirants
    • Examples: Aluminum salts

    Residual inactivating ingredients

    • Purpose: To kill viruses or inactivate toxins during the manufacturing process
    • Most commonly found in: Naturally in the human body, fruit, household furnishings (carpets, upholstering)
    • Example: Formaldehyde

    Residual cell culture materials

    • Purpose: To grow enough of the virus or bacteria to make the vaccine
    • Most commonly found in: Eggs, and foods that contain eggs
    • Examples: Egg protein

    Residual antibiotics

    • Purpose: To prevent contamination by bacteria during the vaccine manufacturing process
    • Most commonly found in: Common antibiotics. Antibiotics that people are most likely to be allergic to—like penicillin—aren’t used in vaccines.
    • Examples: Neomycin, Kanamycin, Streptomycin

    Preservatives

    • Purpose: To prevent contamination
    • Most commonly found in: Some kinds of fish
    • Example: Thimerosal (only in multi-dose vials of flu vaccine)

    Most vaccines don’t contain any mercury

    Most vaccines do not have any mercury in them. However, multi-dose flu vaccines and one type of tetanus-diphtheria (Td) vaccine contain a small amount of thimerosal. Thimerosal contains a form of mercury (ethylmercury) that does not cause mercury poisoning and is safe for use in vaccines. Flu and Td vaccines are also available in thimerosal-free versions.

    Different types of vaccines work in different ways

    Vaccines can help protect against certain diseases by imitating an infection. This helps teach the immune system how to build immunity to fight off a future infection. Different vaccines provide immunity in different ways.

    Ingredients in specific vaccines

    The Food and Drug Administration (FDA), which is responsible for making sure vaccines are safe and effective, has information about all approved vaccines. Check out the below links to discover the different vaccine options and the various ingredients.

    Learn about the vaccines that are currently approved in the U.S. by the FDA to prevent different diseases.

    See approved vaccines

    Want to know more? Read about common vaccine ingredients from the FDA.

    Learn from the FDA

    Vaccine information for you and your family

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  • 5 Reasons It Is Important for Adults to Get Vaccinated | Adult Vaccines

    5 Reasons It Is Important for Adults to Get Vaccinated | Adult Vaccines

    1. Vaccines Have Saved Lives for Over 100 Years—But Serious Disease Is Still a Threat

    Vaccines have greatly reduced diseases that once routinely harmed or killed babies, children, and adults. People all over the world—including in the United States—still become seriously ill or even die from diseases that vaccines can help prevent. It is important that you stay up to date on recommended vaccines.

    A young man listens to a healthcare provider at a clinic.

    A healthcare professional discussing vaccines with a patient.

    The protection some vaccines provide can fade over time, and you might need additional vaccine doses (boosters) to maintain protection. For example, adults should receive a tetanus booster every 10 years to protect against infection from dirty wounds. Talk to your health care provider about vaccination to see whether you might have missed any vaccines or need a booster.

    2. Vaccines Are the Best Way to Protect Yourself and Your Loved Ones from Preventable Disease

    Did you know that vaccines are the best way to protect yourself from certain preventable diseases? Vaccines help your body create protective antibodies—proteins that help it fight off infections.

    Two adults sitting on a couch with a small child.

    Adult family members together with their child.

    By getting vaccinated, you can protect yourself and also avoid spreading preventable diseases to other people in your community. Some people cannot get certain vaccines because they are too young or too old or they have a weakened immune system or other serious health condition. Those people are less likely to catch a preventable disease when you and others around them are vaccinated against it. Help protect yourself and the people you love by staying up to date on recommended vaccinations.

    3. Vaccines Can Prevent Serious Illness

    Some vaccine-preventable diseases can have serious complications or even lead to later illnesses. For them, vaccination provides protection not only against the disease itself but also against the dangerous complications or consequences that it can bring. Some examples:

    An adult man smiling and pointing to his arm after getting his shot.

    An adult man showing his band-aid after getting a vaccine.

    • Seasonal influenza (flu) is a respiratory virus that sickens tens of millions of people every year in the United States. The annual flu vaccine helps you avoid infection and reduces your chances of being hospitalized or dying if you do become infected. Flu vaccine also protects you from flu-related pneumonia and flu-related heart attacks or stroke—complications that can affect anyone but are especially dangerous for persons with diabetes or chronic heart or lung conditions.
    • Hepatitis B is a serious, potentially deadly infection of the liver caused by the hepatitis B virus (HBV). There is no cure, but vaccination prevents HBV infection as well as the chronic liver damage and cancer that hepatitis B can cause.
    • Human papillomavirus (HPV) is a leading cause of cervical cancer and can cause other cancers in both women and men. HPV vaccine keeps you from being infected with the virus or passing it to others, protecting you and them from the immediate effects of the virus as well as from the various cancers it can trigger.

    4. The Vaccines You Receive Are Safe

    Vaccine safety is a high priority. CDC and other experts carefully review safety data before recommending any vaccine, then continually monitor vaccine safety after approval.

    Three adults standing together pointing at their post-vaccine arm band aids.

    Three young adults after getting their vaccines.

    Vaccines can have side effects, but most people experience only mild side effects—if any—after vaccination. The most common side effects are fever, tiredness, body aches, or redness, swelling, and tenderness where the shot was given. Mild reactions usually go away on their own within a few days. Serious or long-lasting side effects are extremely rare, and vaccine safety is continually monitored.

    5. Vaccines May Be Required

    Certain vaccines are required for school, work, travel, and more. Students, military personnel, and residents of rehabilitation or care centers must be vaccinated against diseases that circulate in close quarters. Health care workers and others whose job puts them at risk of catching and spreading preventable diseases need to be vaccinated against them.

    Six healthcare workers together in a room talking.

    A group of healthcare workers gather to share information.

    And, of course, vaccination is required before travel to many places around the world. Because vaccination protects you and those around you, vaccines can be required for everyday activities as well as for extraordinary situations. It is important that you stay up to date on recommended vaccinations.

    Resources

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  • SADS Conditions – SADS Foundation

    SADS Conditions – SADS Foundation

    Because SADS condition are passed down from parent to child, each child of an affected parent has a 50% chance of inheriting the condition. It is estimated that over half of the 4,000 SADS deaths each year of children, teens, or young adults have one of the top two warning signs: 1) family history – of a SADS diagnosis or sudden unexplained death (usually undiagnosed and untreated) of a family member, or 2) fainting.

    SADS conditions occur because the electrical system of the heart is not working properly, so that the heart beats with an abnormal rhythm.

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  • Fatty liver disease (MASLD) – Survival rates

    Fatty liver disease (MASLD) – Survival rates

    Metabolic dysfunction-associated steatotic liver disease (MASLD) and metabolic dysfunction-associated steatohepatitis (MASH) are liver conditions that are becoming more common, especially in people with obesity, diabetes, high blood pressure and high cholesterol. These diseases used to be called nonalcoholic fatty liver disease (NAFLD) and nonalcoholic steatohepatitis (NASH), but experts updated the names to better reflect their connection to metabolic health.

    MASLD means your liver has too much fat. This can happen even if you don’t drink alcohol. MASLD is often found in people who are overweight or have diabetes. More than one-third of the world’s population has MASLD.

    MASH is a more serious form of liver disease. It means your liver is not only fatty but also inflamed and damaged.

    Which of these liver conditions you have, along with several other factors, is key to understanding your outlook, also called prognosis.

    Understanding MASLD and MASH outcomes

    Many people with MASLD don’t have liver-related complications, especially if they lessen their metabolic risk factors. Research shows that people with MASLD live, on average, about three years less than those without the condition. MASLD can raise the risk of heart disease and certain types of cancer. And up to 20% to 30% of people with MASLD may develop MASH.

    With MASH, inflammation and damage can lead to scarring, also called fibrosis; cirrhosis, which is severe scarring; and liver cancer over time. These conditions have a great impact on survival rates.

    Factors influencing outcomes

    Healthcare professionals use a system called fibrosis staging, from F0 to F4, to measure how much damage there is in the liver.

    People with F3 or F4 fibrosis are at greater risk of liver failure and cancer. The average 10-year survival rates reflect this.

    • F0 to F2: About 89% to 93%.
    • F3: About 81%.
    • F4, also called cirrhosis: Around 51%, depending on complications.

    Worsening of scarring to cirrhosis is typically slow, taking years to decades. On average, people with MASH move to the next stage of fibrosis approximately every seven years, compared with every 14 years in those with MASLD.

    People who have liver scarring without major complications, called compensated cirrhosis, have higher survival rates than those with scarring with major complications, known as decompensated cirrhosis. Complications include abdominal fluid buildup, called ascites; gastrointestinal bleeding, also called variceal bleeding; and confusion, known as hepatic encephalopathy. For people with decompensated cirrhosis, average survival time is 2 to 3 years without receiving a liver transplant.

    Other factors affecting prognosis include:

    Heart health. Heart disease is the No. 1 cause of death in people with MASLD or MASH. That’s because these liver conditions often come with high blood pressure, high cholesterol, and diabetes — all of which hurt the heart.

    Diabetes and obesity. Having diabetes or being overweight worsens liver health. It also raises the risk of kidney issues and other health concerns.

    Age and sex assigned at birth. Older people tend to have more liver damage. Men may be more likely to develop serious scarring, while women may have more fat in the liver but slower progression until they reach menopause.

    Lifestyle. Drinking alcohol, eating less healthy food and not exercising can make liver disease worse. But healthy habits can slow or even reverse damage.

    Genes. Some people have genetic traits that make them more likely to get liver damage. Researchers are still learning how to use this information to help people with liver conditions.

    The good news is that MASLD and MASH can often be managed — and sometimes improved — with lifestyle changes. For example, losing just 7% to 10% of your body weight can reduce liver fat and inflammation. Eating a Mediterranean-style diet that includes lots of fruits, veggies, whole grains and healthy fats can also improve liver health.


    Dec. 12, 2025

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  • Could a Large Tsunami Happen in the United States?

    Could a Large Tsunami Happen in the United States?

    Source: U.S. Geological Survey
    Related MedlinePlus Pages: Tsunamis

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  • The Flu Vaccine (for Teens)

    The Flu Vaccine (for Teens)

    Why Get the Flu Vaccine?

    If you’ve ever had the flu, you know how bad it can make you feel. To help skip all that misery — as well as possible health problems from the flu — doctors recommend that all kids and teens get a flu vaccine every year.

    There are other good reasons too:

    • It’s extra important for people with some medical conditions (like kidney disease, diabetes, HIV, heart problems, or asthma) to get a flu vaccine. They are more likely to have serious health problems (like pneumonia) when they get the flu.
    • Kids and teens who need to take aspirin for a health condition also need the flu vaccine. They’re at risk for getting a serious condition called
      if they get the flu.
    • Getting vaccinated protects the people around you. Because you’re less likely to get the flu and pass it on, you help protect people who might get very ill from the flu — like babies, people with serious medical conditions, and the elderly.

    When Should a Person Get Vaccinated?

    To be protected against the flu, you must get the vaccine every year. Unlike some other illnesses, like chickenpox, the flu virus keeps changing. The vaccine needs to change to keep up with the types of flu viruses expected to cause problems that year.

    Flu viruses usually cause the most illness during the colder months of the year. In the United States, flu season is from October to May.

    The best time to get a flu vaccine is before flu season starts. Getting it as soon as it’s available, usually around September, gives the body time to build immunity. Your parent can find out about vaccine availability from your doctor’s office, or you can ask your school nurse. The nasal spray vaccine is even available for some people to get at home.

    Even if you can’t get vaccinated right away, getting it later is better than not getting it at all. It’s still flu season in January or February — even then it’s not too late for you to get the flu vaccine. And getting a flu vaccine late in the season is especially important for people who travel. That’s because the flu can be active around the globe throughout the year.

    What Are the Possible Side Effects of the Flu Vaccine?

    Flu vaccines come in two forms, a shot and a nasal spray:

    • The flu shot usually is injected into the upper arm or thigh, depending on a person’s age. It contains killed  flu virus. It can cause soreness, redness, or swelling at the injection site. Rarely, it might cause a low fever or body aches.
    • The nasal spray flu vaccine contains weakened live flu viruses. So it may cause mild flu-like symptoms, such as a runny nose, wheezing, sore throat, vomiting, or tiredness. Like the shot, it can sometimes cause a low fever or body aches.

    Sometimes people feel faint after getting a shot. To prevent this, you can sit or lie down for 15 minutes right after the shot.

    Both vaccine types cause the body to make antibodies to fight off infection by the live flu virus, and they work equally well. Get whichever vaccine your doctor recommends. People with weak immune systems or some health conditions and pregnant women should not get the nasal spray vaccine.

    What If I Still Get the Flu?

    Some people who get the vaccine might get the flu. But the illness will be much milder and go away sooner than if they weren’t vaccinated. The flu vaccine is very good at protecting against the flu, but it’s not 100%. And it only works against some types of the virus. If a new flu type appears, a person who’s had the vaccine may not be protected against it.

    What Else Should I Know?

    In the past, people with an egg allergy had to check with their doctor about whether the flu vaccine was OK for them because it’s grown inside eggs. But health experts now say that the amount of egg protein in the vaccine is so tiny that it’s safe even for kids with a severe egg allergy. People with egg allergies can now get the flu vaccine just like everyone else. They do not need to take any extra precautions.

    You can get the flu vaccine at the same time as other vaccines such as the COVID-19 vaccine. If getting shots makes you nervous, talk with your parents about it.

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  • ClinicalTrials.gov: Basal Cell Carcinoma

    ClinicalTrials.gov: Basal Cell Carcinoma

    Source: National Institutes of Health – From the National Institutes of Health
    Related MedlinePlus Pages: Skin Cancer

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