It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
Did you know?
Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
Did you know?
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
Did you know?
Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Structure of a typical prokaryotic cell
Stages of the asexual cell cycle
An electron micrograph of an E. coli cell
Diagram of a cell
Steps in the humoral and cell-mediated immune responses.
A profile of the nuclear contents of a cell through the mitotic cell cycle