The tongue is the strongest muscle in the human body.
50
The human brain is insensitive to pain.
76
Contrary to popular beliefs, chocolate does not cause acne.
63
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Redheads require up to 20% more anesthesia to be knocked out.
112
Crushed cockroaches can be applied to a stinging wound to help relieve the pain.
31