Seeing your toenail lift away from the nail bed is alarming. It looks painful, and you might wonder if you are losing the nail for good. The short answer is that a toenail falls off because the nail plate has separated from the nail bed beneath it. This separation, called onycholysis, cuts off the physical … Read more
Emphysema is an obstructive lung disease, not a restrictive one. This is a firm distinction based on how the disease changes the mechanics of breathing. In emphysema, the airways become narrowed and damaged, making it hard to get air out of the lungs. In restrictive diseases, the lungs themselves have trouble expanding to take air … Read more
Clostridium difficile, commonly called C. diff, is a bacterium that causes severe diarrhea and inflammation of the colon. It is not airborne in the way that colds or the flu are. You cannot catch C. diff by breathing the same air as an infected person. The bacteria spread through microscopic spores that travel via a … Read more
A bubble in your eye usually means one of two things: a small fluid-filled blister on the surface of the eyeball itself, or a cluster of mucus in the corner of your eye. The first is called a conjunctival cyst, and it is generally harmless. The second is just eye discharge that has gathered, often … Read more
The number of calories you are supposed to have in a day depends on your age, sex, height, weight, and activity level. For most adult women, that range falls between 1,600 and 2,400 calories per day, while most adult men need between 2,200 and 3,000 calories daily. These figures come from the Dietary Guidelines for … Read more
Walking on a steep roof is dangerous, and the honest truth is that the safest way to do it is to not walk at all. If you must be on the roof, your only real protection comes from a properly anchored safety harness and a solid understanding of how to move your body. You should … Read more
Black maca is a popular supplement, but does it actually raise testosterone? The short answer is that the evidence is limited and mixed. Some small studies suggest black maca may influence hormone levels or improve related outcomes like mood and sexual function, but no large, high-quality human trials have confirmed that it reliably increases testosterone. … Read more
Yes, GERD can cause a skin rash, but it is not a direct cause in most cases. The connection usually happens through two main pathways: an allergic reaction to a medication used to treat GERD, or a separate condition that often occurs alongside GERD. Understanding which one is driving your rash matters because the treatment … Read more
Chokecherries are small, dark-red to nearly black berries that grow on shrubs and small trees native to North America. They are safe to eat when cooked, but the raw fruit, pits, and leaves contain compounds that can make you sick. The name comes from the fruit’s intensely astringent, mouth-drying taste that can feel like it … Read more
Too much vinegar can ruin a dish in seconds. The sharp smell hits your nose, and one taste confirms it: the balance is gone. The good news is that you can often fix it. The fix depends on what you are cooking and how far along you are. In most cases, you can rescue the … Read more