A water deprivation test is a medical test that measures how well your body can concentrate urine when you are not allowed to drink fluids. It is used mainly to evaluate a condition called diabetes insipidus, in which the kidneys produce large amounts of dilute urine. The test involves stopping fluid intake for a set … Read more
A stuffy nose feels like it will never end, but the most effective natural approach is surprisingly simple: keep the nasal passages moist and clear the mucus that is causing the blockage. Saline rinses, steam, and staying well hydrated are the methods most consistently supported by evidence. Decongestant pills and sprays can help short-term, but … Read more
A concentrate juice is a juice that has had most of its water removed, leaving a thicker liquid that is later reconstituted with water before it is sold or consumed. The process is used to cut shipping and storage costs, extend shelf life, and let manufacturers standardize flavor from batch to batch. It is not … Read more
LDL and HDL are two different carriers that move cholesterol through your blood, and they do opposite jobs. LDL delivers cholesterol to your arteries, where excess amounts can build up as plaque. HDL picks up extra cholesterol and carries it back to the liver for disposal. That single difference — one delivers, one removes — … Read more
Head injuries are the leading cause of death and disability for children and young adults in the United States, and most of them are preventable. The core prevention strategy is the same at every age: reduce the chance of a fall, a blow, or a crash, and protect the head when a hit is possible. … Read more
Yes, sulfasalazine can cause hair loss in some people. It is a recognized side effect of the medication, though it does not affect everyone who takes it. Hair loss from sulfasalazine is usually temporary, and hair typically grows back after the medication is stopped or the dose is adjusted. Sulfasalazine is used to treat inflammatory … Read more
TAVR stands for transcatheter aortic valve replacement. It is a procedure that replaces a narrowed aortic valve using a thin, flexible tube called a catheter, most often threaded up through an artery in the leg. Unlike open-heart surgery, TAVR does not require opening the chest or stopping the heart. The aortic valve sits between the … Read more
If you grew up in the United States, you think about body temperature in Fahrenheit. A normal reading is around 98.6°F. In Celsius, that same reading is 37°C. Most of the world measures body temperature in Celsius, and most medical research uses it too. So if you see a number like 38.5°C, you are looking … Read more
Constipation is one of the most common gut complaints in the United States, and for most healthy adults it responds to simple changes in routine, diet, and movement. The core principles are well established: drink enough fluid, eat enough fiber from real food, stay physically active, respond to the urge when it comes, and give … Read more
Forty weeks is about 9 months and 1 week. That is the short answer. The longer answer is that 40 weeks equals roughly 9.2 calendar months, and it also equals exactly 10 “pregnancy months” of 4 weeks each. Both numbers are correct. They just use different definitions of a month. This is why a due … Read more