Philippe Sands, one of the world’s pre-eminent human rights attorneys, grew up in the shadow of bleak times. He worries that history is taking an unfortunate detour. By Michael Steinberger The ...

Immunodeficiency disorders weaken your immune system, making it harder to fight bacteria, viruses, and parasites and increasing your risk of frequent infections. There are two main types: primary ...

Body mass index, or BMI for short, is a measure of body weight based on your height. For decades, BMI has been a way to measure whether someone is at a healthy weight. In general, people are ...