Biology & Physiology
Why Do We Shiver?
Shivering is your muscles generating heat by contracting rapidly. The hypothalamus orders it when core body temperature drops. Here is how it works.
shiveringthermoregulation
Biology
How Does Hunger Work?
Hunger is not just an empty stomach. It is a hormone-driven conversation between your gut, your fat cells, and your brain. Here is what your body is actually doing when you feel hungry.
hungerappetite