Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
Did you know?
Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.
Did you know?
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
Did you know?
The average office desk has 400 times more bacteria on it than a toilet.
Structure of the Moon
Human Structure
The chemical structure of mescaline, derived from the peyote cactus
The structure of B-DNA from studies of molecular crystals
Structure of a myofiber (muscle cell)
Changes in the Age Structure of the Population, 1950–2050