There’s a big catch to the HIV prevention pill some are calling ‘100% effective’

A little blue pill called Truvada could effectively prevent people from ever getting HIV — but only if they use it perfectly. A study published this week in Clinical Infectious Diseases followed 657 patients who took Truvada, a prophylactic that protects against HIV, for almost three years. The participants were HIV-negative, but at high risk of contracting the virus.…

A high-flying health concern

Eric Wilson was flying an F18 fighter jet at 28,000 feet when he heard a loud bang, and everything went silent. The jet had lost all cabin pressure, immediately subjecting the U.S. Marine’s body to an onslaught of altitude induced issues. He only had about 60 seconds to descend below 10,000 feet or he would…