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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.
Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.
Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.
It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.
![Relationship between fruit radius and beak length in populations of native and introduced species of](https://biology-forums.com/gallery/47/medium_33_31_08_11_2_12_19_16231398.jpeg)
![This lithograph of the New York draft riots, 1863, shows that although the rioters mainly targeted b](https://biology-forums.com/gallery/47/medium_376021_22_08_15_1_40_22_22354943.jpeg)