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Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

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Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

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Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

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In 1844, Charles Goodyear obtained the first patent for a rubber condom.

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Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Active and passive immunity Active and passive immunity
Immunization with a vaccine. A healthcare professional is injecting a vaccine into the patient’s arm Immunization with a vaccine. A healthcare professional is injecting a vaccine into the patient’s arm
Mechanisms of Active and Passive Immunity Mechanisms of Active and Passive Immunity
The Cells of the Innate Response The Cells of the Innate Response
Resistance training improves muscle strength and endurance Resistance training improves muscle strength and endurance
Mechanisms of active and passive immunity Mechanisms of active and passive immunity
Video: Virtual Enzyme Kinetics & Lineweaver Burk Plot

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