Most Zambians don't live to see their 40th birthday.

Mexican women spend 15.3% of their life in ill health.

The average human brain has about 100 billion nerve cells.
>> Nerve impulses to and from the brain travel as fast as 170 miles (274 km) per hour.

>> The thyroid cartilage is more commonly known as the adams apple.

>> It's impossible to sneeze with your eyes open.

>> Your stomach needs to produce a new layer of mucus every two weeks or it would digest itself.

>> It takes the interaction of 72 different muscles to produce human speech.

>> The average life of a taste bud is 10 days.

>> The average cough comes out of your mouth at 60 miles (96.5 km) per hour.