From daily habits to nutrition and sleep, explore informational guides on living a healthier life — backed by research and written for real people.
If your blood test shows a total testosterone level below 300 nanograms per deciliter (ng/dL), most doctors consider that low. This is the standard cutoff used by the American Urological Association. But the number alone does not tell the full story. Some men feel fine at 250 ng/dL. Others feel terrible at 400 ng/dL. The … Read more
The uterus is one of the most stretchable organs in the human body. Before pregnancy, it is about the size of a pear. By the end of pregnancy, it expands to hold a full-term baby, the placenta, and amniotic fluid. This happens through a process of muscle cell growth and tissue remodeling, not just simple … Read more
Dental plaque is that sticky, colorless film that forms on your teeth throughout the day. It is a bacterial biofilm, and if you do not remove it regularly, it hardens into tartar, which only a dentist can scrape off. The way to remove plaque is straightforward and backed by decades of dental research: consistent mechanical … Read more
Hepatitis C does not go away on its own for most people. About 15 to 25 percent of people clear the virus naturally within six months of infection. The remaining 75 to 85 percent develop a chronic infection that stays in the body for life unless treated. This is not a virus your immune system … Read more
Testicle odor is normal for most men, but when it becomes strong or embarrassing, it usually comes down to sweat, bacteria, and trapped moisture in the groin area. The good news is that in nearly all cases, simple hygiene changes fix the problem completely. Here is what causes the smell and what actually works to … Read more
Yes, a fentanyl patch causes constipation. It is one of the most common side effects. This happens because fentanyl is an opioid, and opioids slow down the entire digestive system. The medication binds to receptors in the gut, which stops muscles from moving waste through the intestines like they should. For many people, the constipation … Read more
Wearing a tampon to bed is generally safe for most people, but it comes with a strict time limit. Health experts recommend wearing a tampon for no more than eight hours total, which means if you sleep for eight hours or less, it is usually fine. The real concern is not the act of sleeping … Read more
Bursitis is inflammation of the small fluid-filled sacs (bursae) that cushion your joints. The short answer on how to cure bursitis is that most cases resolve with rest, ice, and anti-inflammatory measures over a few weeks. But the real cure depends on what caused it, where it is, and whether you let it become a … Read more
If your throat feels like sandpaper every time you swallow, you want something that works fast. The best options for a sore throat depend on the cause, but for most viral sore throats, the evidence points to salt water gargles, honey, and over-the-counter pain relievers like ibuprofen or acetaminophen. Lozenges with benzocaine or menthol can … Read more
The Environmental Protection Agency (EPA) recommends fixing your home if radon levels reach 4 picocuries per liter (pCi/L) or higher. This is the “action level” — the point where the EPA says you should take steps to reduce radon. But radon is radioactive, and no level is truly safe. The EPA also suggests considering mitigation … Read more