Health Journal Online

Tag: Diseases

  • How Community Health Centers Help Prevent Spread of Infectious Diseases

    How Community Health Centers Help Prevent Spread of Infectious Diseases

    Infectious diseases spread quickly when left unchecked. In low-income and underserved neighborhoods, the danger is especially real.

    Spread of such diseases increased significantly after the COVID-19 pandemic, particularly in rural and least-developed communities. Most people in these communities have very limited access to care. Some delay treatment due to cost or mistrust of the healthcare system. Some do so due to a lack of health education and awareness within these communities.

    This is where community health centers step in and fill a critical gap. These local clinics aren’t just about treating illnesses after they happen. They work every day to stop outbreaks before they begin.

    Let’s explore the ways community health clinics or centers help prevent the spread of infectious diseases.

    Access to Care When It Matters Most

    Community health centers often serve people who would otherwise fall through the cracks. They act as a vital part of the health safety net in communities that lack access to high-end medical care.

    Many patients do not have private insurance. Others speak little English or work jobs that make visiting a doctor difficult. In these situations, community clinics become a trusted source of regular care.

    When people know they can come in for free or low-cost help, they do not wait until symptoms grow worse. These clinics offer early diagnoses for things like the flu, tuberculosis, or sexually transmitted infections. They also track patients over time, making it easier to stop the spread of infection before it reaches more people.

    Health Education That Reaches Everyone

    Preventing disease is not just about vaccines or medication. It also involves education.

    Community health centers often run outreach programs, visiting schools, churches, and even workplaces. Their goal is to teach basic but vital habits like washing hands properly and knowing when to see a doctor.

    People in these communities may not always trust big healthcare institutions. But they are more likely to listen to someone from their own neighborhood.

    When a health educator speaks the same language and shares a similar background, the message carries more weight. That trust is essential to stopping infectious diseases from taking root and spreading.

    Quick Response During Outbreaks

    When diseases spread, every hour matters. Community health centers can move fast. Unlike larger hospitals, they are already embedded in the neighborhood. They know the people, the patterns, and the risks. That allows them to act quickly, offering testing, treatment, and isolation when needed.

    During the COVID-19 pandemic, many of these clinics turned into vaccination hubs. They also provided masks, hygiene kits, and reliable information. Their deep roots in the community made them a vital part of the public health response. Their swift action likely saved thousands of lives.

    Trained Nurses on the Front Lines

    One reason these clinics succeed is the people who work there. Nurses, in particular, play a major role. They are often the first point of contact for patients. They know how to identify symptoms early, calm fears, and deliver life-saving care. Their training allows them to act quickly and with compassion.

    Infectious diseases don’t wait for a doctor to be available. Trained nurses can screen patients, administer vaccines, and educate families. Many are also involved in contact tracing or follow-up visits. Their ability to work under pressure while maintaining a personal touch is what sets these clinics apart.

    To keep up with growing demand, more nurses are preparing for this kind of work through online accelerated nursing degrees. These nursing degrees allow students to finish a nursing program in less time without compromising on quality. Many choose an online accelerated BSN program, which combines flexible coursework with essential clinical rotations.

    As noted by Cleveland State University, such accelerated programs are often community-focused. Hence, these nursing students are eager to join the workforce and make a difference. Their training prepares them for hands-on nursing practice, including in community health centers, where they can directly help prevent disease outbreaks.

    Routine Services That Make a Big Difference

    It’s easy to overlook routine care, but it plays a huge role in disease prevention. Annual checkups, vaccinations, and screenings can uncover health problems early.

    A patient who comes in for a cough might be tested for something more serious. In catching infections early, clinics reduce the chance of a wider spread.

    These visits also give providers a chance to talk to patients about staying healthy. That includes managing chronic illnesses that can make infections worse, such as diabetes or asthma.

    By keeping these conditions under control, community health centers help people avoid serious complications when exposed to infectious diseases.

    Support for Vulnerable Populations

    Some groups are more at risk for infection than others. Homeless individuals, the elderly, and people with substance use disorders face higher risks. Community health centers often offer targeted services for these groups. They provide clean syringes, STI testing, and mobile care units.

    This targeted approach keeps infections like hepatitis C or HIV from spreading through the broader population. It also gives these vulnerable individuals a chance to improve their overall health.

    Data Collection That Supports Public Health

    Another overlooked role of community clinics is data gathering. They track illnesses by zip code, age group, and symptom. This information is crucial for larger public health agencies trying to predict outbreaks. Without these localized numbers, health officials are flying blind.

    In return, community health centers often receive updates and alerts. This two-way street ensures they can adjust their services based on real-time data.

    For example, if flu cases rise in a nearby neighborhood, the clinic might offer walk-in flu shots all week. That kind of coordination is only possible with solid data.

    Frequently Asked Questions (FAQs)

    Where are community health centers mostly set up?

    Community health centers are typically set up in underserved or low-income areas where access to healthcare is limited. These include rural towns, inner-city neighborhoods, and regions with high rates of uninsured or underinsured populations. Their main goal is to bridge healthcare gaps by offering affordable, accessible services close to where people live and work.

    What kind of personnel do community health centers have?

    Community health centers employ a mix of healthcare professionals including general physicians, nurses, mental health counselors, dentists, and social workers. They often include administrative staff, interpreters, and health educators to serve diverse populations. Many also partner with local universities and training programs to bring in interns, residents, or volunteer providers to expand services.

    How do community health centers help educate people regarding infectious diseases?

    These centers educate communities through workshops, brochures, one-on-one counseling, and outreach events. They simplify complex health information about symptoms, transmission, and prevention, making it more accessible to the public. Staff often conduct vaccination drives and collaborate with schools, faith groups, or local leaders to spread awareness and combat misinformation.

    Community health centers are not just medical buildings. They are lifelines that keep entire neighborhoods safe from infectious diseases. By offering care, education, and trust, they build a wall of protection that benefits everyone.

    As our world faces new health threats, these clinics will remain essential. Their local presence, trained staff, and deep relationships make them uniquely effective.

    In a society where health inequality still exists, community health centers quietly save lives every day. Their work deserves support, attention, and investment because disease prevention starts with people who care.

    Faisal Bin Iqbal is a writer, journalist, and digital content and SEO strategist based in Bangladesh. He has years of experience in content and feature writing covering areas including, but not limited to, academics, career and skill development, tech, healthcare, and business. Faisal is currently working as a sub-editor and digital coordinator for The Daily Star, Bangladesh’s largest English daily.

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  • Obesity’s Impacts on Our Immune System and Kidney and Liver Diseases 

    Obesity’s Impacts on Our Immune System and Kidney and Liver Diseases 

    What are the effects of weight loss on natural killer cell function, our first line of immune defense against cancer, kidney function, and fatty liver disease?

    In the ABCs of the health consequences of obesity, I is for Immunity.

    The SOS trial followed the fates of thousands of bariatric surgery patients for a decade or two, compared to a control group who maintained their weight. Those who surgically lost about 20 percent of their body weight not only lived longer, thanks in part to less diabetes and less cardiovascular disease, but they also got less cancer. This may be because anti-tumor immunity appears to be affected by weight.

    Natural killer cells are our immune system’s first line of defense against cancer cells and many viral infections, “and their function is severely impaired in individuals with obesity.” When individuals who were obese were randomized to a weight-loss program, researchers found a significant reactivation of the participants’ natural killer cell function within just three months. The program involved an exercise component, though, so it’s hard to tease out the impact of the weight loss itself since physical activity on its own can boost natural killer cell activity.

    On the other end of the immune spectrum, obesity is suspected to be a causal risk factor for the development of the autoimmune disease multiple sclerosis. This suggests obesity is associated with the worst of both worlds when it comes to immune function: underactivity when it comes to protecting against cancer and infection, and overactivity when it comes to certain inflammatory autoimmune conditions.

    J is for Jaundice. Thanks to the obesity epidemic, nonalcoholic fatty liver disease is now the most common liver disorder in the industrialized world. Fat doesn’t just end up in our belly and thighs but inside some of our internal organs. More than 80 percent of individuals with abdominal obesity may have fatty infiltration into their liver, and in those with severe obesity, the prevalence can exceed 90 percent. This can lead to inflammation, scarring, and, ultimately, cirrhosis and liver cancer, as you can see below and a 2:10 in my video The Effects of Obesity on the Immune System and Kidney and Liver Diseases. Currently, this nonalcoholic fatty hepatitis is the leading cause of liver transplants in American women. 

    K is for Kidneys. Obesity is also “one of the strongest risk factors for new-onset chronic kidney disease.” Our kidneys compensate for the metabolic demands of excess weight by red-lining into what’s called “hyperfiltration” to deal with the extra workload. This resulting increased pressure within our kidneys can damage the sensitive structures and increase the risk of kidney failure over the long term.

    What about L, M, N, O, P through Z? If you want to continue through the alphabet, L could be for diminished lung function, M could be for metabolic syndrome, and so on. There is even an X—for xiphodynia—pain at the tip of the bottom of the breastbone from being bent forward by an expanding abdomen.

    Given the myriad health conditions associated with excess weight, “annual medical spending attributable to an obese individual” is nearly $2,000 per year and workers who are obese with multiple conditions can cost companies up to $10,000 more in healthcare coverage compared to “their lean counterpart.” This may account for some of the wage gap that employees who are obese may experience, as companies try to pass along these costs of “their higher health insurance premiums,” beyond just brazen discrimination. Between healthcare costs and diminished productivity in terms of lost workdays, the total lifetime costs of obesity for children and teens have been estimated to exceed $150,000.

    Some estimates peg the annual “medical care costs of obesity in the United States” at about $150 billion, with another $50 billion per year added by 2030 as our increasingly heavy Baby Boomers continue to age. Others diametrically disagree, based on the morbid fact that individuals who are obese may not live as long. Just as “the high medical costs of smoking-related diseases are more than offset by lower survival of smokers,” the lifetime healthcare costs of individuals who are obese may turn out to be lower because they are expected to die so much sooner. So, the true cost may be more in lives, rather than dollars. How much does being overweight cut your life short? I’ll explore just that question next.

    If you missed the previous blog posts in my series on the ABCs of obesity, see related posts below.

    I continue the topic of obesity and weight with these videos: Is the Obesity Paradox Real or a Myth? and Friday Favorites: What’s the Ideal BMI and Waist Size?.

    For more on the health conditions discussed in this video, see the immune function, kidney disease, and liver health topic pages. 



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  • Does Fasting Help Autoimmune Diseases? 

    Does Fasting Help Autoimmune Diseases? 

    Various fasting regimens have been attempted for inflammatory autoimmune diseases, such as lupus, ankylosing spondylitis, chronic urticaria, mixed connective-tissue disease, glomerulonephritis, and multiple sclerosis, as well as osteoarthritis and fibromyalgia.

    The strongest evidence of the benefits of fasting surrounds the treatment of rheumatoid arthritis, an autoimmune joint disease, as I detailed in my previous blog post. A German study suggested benefits for osteoarthritis, too, and reported improvements in pain and joint function, but we’d really need randomized controlled studies to know for sure. The researchers despaired they only had 30 patients, but that’s 30 times more than many reports on fasting in the medical literature, which may detail only single cases.

    One woman, for example, with a rare autoimmune disease known as mixed connective-tissue disease, which can cause all sorts of painful and distressing symptoms, was treated with steroids in an attempt to suppress her immune system. After 21 days of fasting, and off her medications, “she had no further complaints.” More importantly, her symptoms seemed to stay away, and “she remained free of medication.” So, does fasting work for mixed connective tissue disease? All we can say is that it worked at least once.

    A similar success story was reported with fibromyalgia. A woman with pain throughout her body, who couldn’t sustain activity and was on a lot of drugs, became “symptom-free” after a 24-day fast and remained that way at her “follow-up visit 1 month later.” However, when a modified fasting regimen was tried on dozens of individuals, the benefits seen at week 2 largely disappeared by week 12, as shown below and at 1:32 in my video Fasting for Autoimmune Diseases. 

    What about lupus? A 45-year-old woman who had remained in pain despite taking immunosuppressive drugs was pain-free by day four of fasting and remained symptom-free for one year when her symptoms began to recur, but she wiped them out again with a second seven-day fast, “after which she had no symptoms.” Note, though, that she didn’t only fast. She water-only fasted, then followed it with a plant-based diet in an attempt to solidify the gains. On its own, a strictly plant-based diet without any animal protein has been shown to control symptoms in at least some cases.

    The same with sacroiliitis, a common manifestation of ankylosing spondylitis, an autoimmune arthritis that primarily affects the spine, causing back pain that can last for years. In the case of a 33-year-old man, all sorts of conventional therapies and drugs were tried, but the pain wouldn’t go away. So, the complete avoidance of animal foods was recommended, and “the complaints improved distinctly and persistently” within days—until the patient ate meat again. Once again, back on plant-based nutrition, he was off most of his drugs and almost completely free of symptoms. So, at least in this case, inflammatory pain refractory to other treatments was abolished by eating more healthfully. At least it’s worth a try!

    Autoimmune glomerulonephritis, where your body attacks your own kidneys, is a common manifestation of lupus. In a case series, 29 patients were fasted for 60 hours, then had only fruits and vegetables until they got better. They described such remarkable recoveries that fasting, in their opinion, “should be an essential part of treatment.”

    What about multiple sclerosis, an autoimmune nerve disease? Individuals with MS were randomized to a “fasting-mimicking diet”—in this case, a modified fast that started out with an 800-calorie-a-day diet of fruit, rice, or potatoes, followed by a week sipping a few hundred calories of flaxseed oil and vegetable broth, then transitioning to a plant-based Mediterranean diet. Over the next three months, they experienced a significant improvement in overall quality of life. They also tried a ketogenic diet, but that failed to offer clinically or statistically significant overall benefit, as you can see below and at 3:34 in my video. 

    And, finally, let’s look at chronic urticaria (hives), where you get a rash of itchy weals and welts, as seen here and at 3:40 in my video. Individuals started to improve on day 3 of the fast, and their hives completely disappeared by day 11. This is consistent with studies from Germany and Japan that evidently showed around 75 percent effectiveness for such patients with what looks like some sort of tea with sugar diet. It’s certainly worth giving fasting therapy a try, but, of course, fasting should only be done under trained medical supervision. Otherwise, you’d never know if you have some hidden underlying kidney issue that could land you in a coma, then maybe in the morgue. You have to have your kidney function and electrolytes monitored to make sure your body is up for the challenge. 

    “Despite the possible good outcomes, water-only fasting is not a cure or treatment in the traditional sense; it is simply intended to promote the body’s self-healing mechanisms.” Since fasting is unsustainable, by definition, “to maintain the results obtained by water-only fasting, it is necessary to adhere to a health-promoting lifestyle that includes a diet of minimally processed plant foods, adequate sleep, and robust physical exercise.”

    If you haven’t seen it yet, check out my related video Fasting for Rheumatoid Arthritis.

    I’ve held three webinars on fasting. All of the videos are available for free on NutritionFacts.org, but you can also get them in a digital download—as a bundle or separately. See: 

    To see all of the fasting videos currently on the site, please visit our fasting topic page.

    Interested in more on using diet to prevent and treat autoimmune diseases? Check out the related posts below.



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  • Taking Pills For Cardiovascular Diseases? They May Also Protect Against Dementia, Study Says

    Taking Pills For Cardiovascular Diseases? They May Also Protect Against Dementia, Study Says

    Taking medications for cholesterol and blood pressure might seem like a health burden for many. But there’s good news for those who have to depend on cardiovascular medications. Researchers have found that beyond their cardiovascular benefits, long-term use of these drugs, especially when used in combination, may offer protection against dementia.

    The latest study conducted by Karolinska Institutet in Sweden revealed the use of common cardiovascular drugs for more than five years is associated with a reduced risk of dementia later in life.

    “Previous studies have focused on individual drugs and specific patient groups but in this study, we take a broader approach,” said Alexandra Wennberg, a lead author of the paper.

    The study analyzed dementia risk using data from Swedish national registers, involving around 88,000 individuals over the age of 70 who were diagnosed with dementia between 2011 and 2016. It also included 880,000 control participants. The researchers obtained data about the participants’ use of cardiovascular drugs from the Swedish Prescribed Drug Register.

    “The results show that long-term use of antihypertensive drugs, cholesterol-lowering drugs, diuretics, and blood-thinning drugs is associated with between 4 and 25 percent lower risk of dementia. Combinations of the drugs had stronger protective effects than if they were used alone,” the news release stated.

    However, the researchers noted that the use of antiplatelet drugs for stroke prevention may be associated with a higher risk of dementia. This could be due to the increased risk of microbleeds in the brain caused by these drugs, which are linked to cognitive decline.

    “The association between the use of common cardiovascular drugs and dementia risk suggests that these pathways may be explored for the development of dementia treatment though future research is necessary. Conversely, because antiplatelets are commonly used, it is important to further understand any long-term negative effects on cognitive outcomes.

    Researchers believe that the new finding adds an important piece of the puzzle for finding new treatments for dementia. Also, since the study observed cognitive decline associated with antiplatelet use, it highlights the need to consider their potential long-term cognitive effects when prescribing these medications.

    “We currently have no cure for dementia, so it’s important to find preventive measures,” said Wennberg.

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