The first open heart surgery was performed by Dr. Daniel Hall Williams in 1893.
Category: Human
Facts about the Human body
The reason why hair turns gray as we age is because the pigment cells in the hair follicle start to die, which is responsible for producing melanin which gives the hair color.
Only 50% of American women say they’d marry the same man
Girls have more taste buds than boys
Apples are more efficient than caffeine for waking you up in the morning.