The pupil of the eye expands as much as 45 percent when a person looks at something pleasing.
Less sleep a night
The average person who stops smoking requires one hour less sleep a night.
More Humans Facts
Chewing gum while peeling onions will keep you from crying.
If you stop getting thirsty, you need to drink more water. For when a human body is dehydrated, its thirst mechanism shuts off.