The average person who stops smoking requires one hour less sleep a night.
79
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
In Japan, condoms are commonly sold 'door to door'!
54
On average, there's 100 billion neurons in the human brain.
83
You can alleviate a tickly throat by scratching your ear.
12
The human brain is insensitive to pain.
76
The male fetus is capable of attaining an erection during the last trimester.
75

