Fingerprints: Not just on your handsEach one of the 7900 million humans on Earth is unique, not just in the way we look and think, but also in the patterns on our...
Chills and Fever: Feeling cold at high body temperatureOur body is like a temperature-controlled room that is maintained between 36.1°C and 37.2°C (or 97°F to 99°F). Any shift from this normal...
Lactose intolerance: To digest or not to digestFor about 75% of the world’s population, drinking milk means stomach discomfort. Under normal conditions, lactose, which is the sugar in...