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Vaccines aren't just for kids. As we get older, our immune systems get weaker, and some infections that feel like a bad cold for a young person can send an older adult to the hospital. The good news? Vaccines are one of the safest and most effective ways to stay healthy. This guide walks through the shots that doctors in the United States recommend for adults, based on the yearly schedule from the Centers for Disease Control and Prevention (CDC). Keep in mind: the exact shots

If you have an underactive thyroid (hypothyroidism), you have probably heard about more than one kind of pill. Some people take levothyroxine, a synthetic hormone. Others ask about "natural" options like Armour Thyroid, or about adding a second hormone called T3. This post explains what these medicines are, when they make sense, when they don't, and why the popular idea that "natural is safer" can be misleading. A quick thyroid refresher Your thyroid is a small gland in your

Testosterone is one of the most talked-about hormones in medicine. It is also one of the most misunderstood. In the United States, the number of testosterone prescriptions more than tripled between 2001 and 2013. Most of that growth came from men who wanted help with tiredness, low sex drive, and the normal changes of getting older, not from men who had a real disease (Walker et al., JAMA Internal Medicine, 2020). At the same time, more and more women are being offered testo

Cancer screening means checking for cancer before you feel sick. Early detection can save lives by catching cancer at a stage when treatment is more effective. The right tests for you depend mostly on your age, your sex, and your health history. A test that helps a 60-year-old may not help a 30-year-old at all. This guide offers clear, decade-by-decade recommendations for cancer screening for people at average risk. That means no personal history of cancer, no strong family h

What Is Blood Pressure? Blood pressure measures the force of blood pushing against artery walls as the heart pumps. It is recorded with two numbers: Systolic pressure: The top number, indicating pressure when the heart contracts and pushes blood out. Diastolic pressure: The bottom number, showing pressure when the heart rests between beats. A typical reading looks like 120/80 mm Hg, read as "120 over 80." The unit mm Hg stands for millimeters of mercury, a standard measuremen

Every year, Medicare offers a valuable preventive health benefit called the Annual Wellness Visit (AWV). This visit is completely free for Medicare Part B beneficiaries and focuses on prevention, early detection, and health planning. Despite its benefits, many eligible individuals do not schedule this visit. Understanding what the AWV includes and why it matters can help you take full advantage of this opportunity to maintain your health. Medicare Annual Wellness Visit with h

Have you ever felt so tired that no amount of sleep seems to help? Maybe you've been gaining weight even though you haven't changed what you eat. Or perhaps you feel cold when everyone else around you is perfectly comfortable. If any of this sounds familiar, your thyroid might be the reason. What Is the Thyroid, Anyway? Your thyroid is a small, butterfly-shaped gland that sits in the front of your neck. Even though it's small, it has a really big job. It makes hormones — spec