|
|
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Your heart beats over 36 million times a year.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.
The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.