Gases that build up in your large intestine cause flatulence. It usually takes about 30 to 45 minutes for these gases to pass through your system.

One-fourth of the world's population lives on less than $200 a year. Ninety million people survive on less than $75 a year.

More than 2,500 left-handed people are killed each year from using products that are made for right-handed people.

AMAZING FACTS