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Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

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There are 20 feet of blood vessels in each square inch of human skin.

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The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

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Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Carrie Mae Weems, A Negroid Type, from the series From Here I Saw What Happened and I Cried. Carrie Mae Weems, A Negroid Type, from the series From Here I Saw What Happened and I Cried.
A severe case of delayed contact dermatitis (Type IV hypersensitivity) from wearing latex gloves. A severe case of delayed contact dermatitis (Type IV hypersensitivity) from wearing latex gloves.
Structure of a complex of a type II DNA methylase with DNA Structure of a complex of a type II DNA methylase with DNA
The MyPlate icon reinforces important concepts of meal planning The MyPlate icon reinforces important concepts of meal planning
Access to clean drinking water is just as important as adequate nutrition for human health Access to clean drinking water is just as important as adequate nutrition for human health
Type II curve. Mortality does not vary with age. Data for five-lined skink (Eumeces fasciatus). Type II curve. Mortality does not vary with age. Data for five-lined skink (Eumeces fasciatus).
Video: Embryonic development - Weeks 5 to 8

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