From daily habits to nutrition and sleep, explore informational guides on living a healthier life — backed by research and written for real people.
The debate over whether healthcare should be free is one of the most divisive topics in American politics right now. The short answer is that no healthcare system is truly “free” — someone always pays. The real question is whether a system where the government covers most or all medical costs, funded through taxes, is … Read more
Split ends are exactly what they sound like — the end of a hair strand splits into two or more pieces. The medical term is trichoptilosis, and it happens when the protective outer layer of the hair, called the cuticle, wears away. Without that cuticle, the inner fibers of the hair shaft separate and fray. … Read more
If you have lost your appetite, the fastest way to get it back is to eat small meals every three hours, add calorie-dense foods like nuts and avocado, and eat your largest meal when you are most hungry, which for most people is in the evening. A 2018 study in the journal Appetite found that … Read more
Water pollution is being tackled through a mix of federal laws, local treatment plants, and grassroots cleanup efforts. The Clean Water Act sets the legal framework, while cities upgrade sewage systems and farmers adopt better runoff practices. On the ground, volunteer groups remove trash from rivers and restore wetlands. None of these efforts alone is … Read more
Vomiting after eating is not normal. If it happens once from food poisoning or a stomach bug, that is one thing. But if it happens regularly, your body is telling you something is wrong. The causes range from common issues like acid reflux or gastroparesis to more serious conditions that need medical attention. This article … Read more
Pickles are good for adding probiotics to your diet, but only if you choose the right kind. Fermented pickles — the kind made with salt and water, not vinegar — contain live bacteria that support gut health. They are also a low-calorie snack that can help with hydration and provide small amounts of vitamin K … Read more
Itching scalp. White flakes in your hair. You spot something and your first thought is lice. But it could just be dandruff. The quickest way to tell is where the flakes are and how they behave. Lice eggs (nits) stick firmly to the hair shaft near the scalp and do not brush off easily. Dandruff … Read more
That sticky, slimy feeling in your mouth is uncomfortable and often confusing. It is usually caused by an imbalance in your saliva, which can become thick and stringy due to dehydration, dry mouth, or an overgrowth of bacteria. The solution starts with identifying the root cause, which often involves simple changes to your hydration, oral … Read more
Polarizing light means forcing light waves to vibrate in a single direction instead of every direction at once. Normal light from the sun or a light bulb vibrates in all directions perpendicular to its path. Polarized light only vibrates in one specific plane. You can achieve this through four main methods: using a polarizing filter, … Read more
When a doctor or psychologist writes “abnormal in intensity” on an autism diagnosis, they are describing a specific finding from the diagnostic assessment. It means the person shows a behavior, interest, or response that is much stronger, more focused, or more extreme than what is typical for someone their age. This is not a vague … Read more