Diseases & Conditions Archive

Postprandial hypotension—low blood pressure after eating—is common in older adults. It occurs when blood flow is diverted away from the body, including the heart and brain, and instead gets routed to the stomach and intestines during digestion.

Lingering heat waves have brought warnings about recognizing and preventing heat-related illnesses. Heat rash, while not dangerous itself, can signal heat exposure that may lead to more serious conditions. Here's how to avoid and treat it.

News coverage of a case of leprosy in central Florida may have made it seem like there is an increased threat the disease would spread. Misconceptions about this disease have persisted for a long time, but the facts are reassuring.

Men prone to kidney stones should drink plenty of water, get adequate calcium, reduce sodium, limit animal protein, and avoid foods that could make kidney stones more likely to form. Dietary restrictions depend on the stones the person tends to form.

While the FDA rules for blood donation were revised twice in the last decade, one group — men who have sex with men — continued to be turned away from donating. Now new, evidence-based FDA rules will focus on individual risk rather than groupwide restrictions.