What is a normal body temperature for you For over 150 years, we’ve been obsessed with a single number: 98.6°F (37°C). But if you’ve ever felt "off" and asked Google, "What is a normal body temperature?", you might be surprised. Modern science shows that humans are cooling down, and our obsession with a single number might be leading us to worry about nothing - or miss something important. 1. The Myth of 98.6: What is a Normal Body Temperature? In the mid-1800s, 98.6°F was se