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Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
Did you know?
Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.