Fatty liver disease is the most common chronic liver condition in the United States, affecting roughly one in three adults. The good news is that for most people, the condition is reversible with the right combination of diet, exercise, and weight loss. Weight loss of 7-10% of your body weight is the single most effective … Read more
Nighttime leg cramps can jolt you out of a deep sleep with a sudden, intense tightening in your calf, foot, or thigh. The muscle contracts hard and will not relax, and the pain can last anywhere from a few seconds to several minutes. While the exact cause is not always clear, you can take practical … Read more
Flow cytometry is a laboratory technique that rapidly measures the physical and chemical properties of thousands of individual cells or particles as they pass single-file through a laser beam. It works by suspending cells in a fluid stream, forcing them through a narrow nozzle, and then analyzing how they scatter light and emit fluorescence when … Read more
Eating bad lettuce can give you food poisoning. The most common result is a stomach illness caused by bacteria like E. coli, Salmonella, or Listeria. Symptoms usually include diarrhea, stomach cramps, nausea, and vomiting. Most healthy adults recover in a few days, but some infections can be serious and require medical care. How Does Lettuce … Read more
Cottage cheese has a name that sounds old-fashioned, and that is because the name is literally that old. Unlike names that describe a place like “Swiss cheese” or a person like “Brie,” the name cottage cheese describes where it was made: in a cottage. In the United States and parts of Europe, this simple, fresh … Read more
Seeing a shadowy figure in the corner of your eye is startling, but it is not a sign of a ghost. These “shadow people” are a well-documented visual phenomenon tied to how your brain processes light, movement, and fear. The science points to specific neurological and psychological triggers that explain why your mind creates these … Read more
Finding out you are pregnant is a life-changing moment. But the question of how long after pregnancy you can test positive is actually two different questions. One is about how soon a test can detect a new pregnancy. The other is about how long a test stays positive after a pregnancy ends, whether through childbirth, … Read more
Burning pain in your upper back feels different from a dull ache or a sharp stab. It is a heat-like sensation that can spread across the shoulder blades or up toward the neck. The first step to relief is figuring out whether the cause is muscular, nerve-related, or something more serious. For most people, the … Read more
Seeing blood in your urine is alarming, and it is a symptom you should never ignore. Blood in the urine, medically called hematuria, means that red blood cells are leaking into your urinary tract. This tract includes your kidneys, the tubes connecting them to your bladder (ureters), your bladder, and the tube that carries urine … Read more
Dry lips are one of the most common skin complaints, and almost everyone experiences them at some point. The skin on your lips is different from the rest of your body — it is thinner, has no oil glands, and loses moisture faster than any other area of skin. When your lips feel tight, flaky, … Read more