Health and Medical
The world's population grows by 100 million each year. Some 950 million people in the world are malnourished. There are 106 boys born for every 100 girls.
Almost as many people die of malaria every year as have died of AIDS in the past 15 years.
The average male adult is 5'9'' tall and weighs 155 pounds. The average female adult is 5'3'' tall and weighs 125 pounds.
Malaria causes or contributes to three million deaths and up to 500 million acute clinical cases a year.
80 % of people infected with a sexually transmitted disease have no symptoms.
One-fourth of the 206 bones in the human body are located in the feet
Canadian researchers have found that Einstein's brain was 15% wider than normal.
The human heart creates enough pressure while pumping to squirt blood 30 feet
The human brain is insensetive to pain, The suffering of a headache comes not from the brain but from the nerves and muscles lining it.
Your stomach has to produce a new layer of mucus every two weeks otherwise it will digest itself
Within a tiny droplet of blood, there are some 5 million red blood cells
Red blood cells make approximately 250,000 round trips of the body before returning to the bone marrow, where they were born, to die
Red blood cells may live for about 4 months circulating throughout the body, feeding the 60 trillion other body cells
It takes about 20 seconds for a red blood cell to circle the whole body
About 8 million blood cells die in the human body every second, and the same number are born each second