If you've experienced hair loss, or hair thinning, then you know exactly how upsetting it can be. I've discussed hair loss with many patients, and I know that there are usually a number of questions surrounding it. Is my hair loss due to an internal condition? Is it due to a nutritional deficiency? And will my hair ever regain its former fullness? As a dermatologist, we can't answer those questions until we ask several others. We also need to examine your scalp. That's becaus

Warning: Biotin, a popular nail supplement, may interfere with lab tests for heart attacks and thyroid function. Before you reach for that supplement bottle of biotin, make sure you know about this recent FDA warning. Biotin may interfere with laboratory tests, including tests for heart attacks and thyroid function. Biotin supplements have become popular for those with brittle nails, but are the subject of a recent FDA warning Biotin is a popular supplement for nail health, b