|
|
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.
All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.
Illicit drug use costs the United States approximately $181 billion every year.
Vaccines prevent between 2.5 and 4 million deaths every year.
Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.