It takes approximately 12 hours for food to entirely digest.
93
Although African-Americans make up only 13% of the U.S. population, they accounted for one half of the estimated new HIV/AIDS diagnoses in 2004.
70
By the age of 60, most people have lost 50% of their taste buds.
17
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
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
When you take a step, you are using up to 200 muscles.
886