It has been shown that caffeine causes headaches when stopped suddenly and can cause morning headaches that are relieved by a dose of caffeine.
101
We blink 25 times a minute.
51
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
22
The human brain has the capacity to store everything that you experience.
4k
There are 206 bones in the human body!
-17
The male fetus is capable of attaining an erection during the last trimester.
75
Your stomach produces a new layer of mucus every two weeks so that it doesn't digest itself.
160