Vaccination. Vaccines got their name from the Latin word for cow because the first vaccine was derived from a bovine virus.

Dow Corning. In 1962, the first women was implanted with a silicone breast prosthesis.

70%. The International Diabetes Federation (IDF) was established in 1950 to promote diabetes care, prevention, and to find a cure worldwide.

Makes Bones Strong. The important human nutrient calcium, symbolized by Ca, has an atomic number of 20 and atomic mass of 40.078.

20 Percent-35 Percent. Fats should account for 20-35% of an adult's calorie intake, but eating too much can increase the risk of heart disease.

Norephinephrine. Iproniazid, the first antidepressant drug, was originally developed as a cure for tuberculosis.