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Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.
Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
The average office desk has 400 times more bacteria on it than a toilet.