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Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

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More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

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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.

Cells involved in nonspecific immunity in vertebrates. Cells involved in nonspecific immunity in vertebrates.
Our innate preferences for sugar and fat are sometimes hard to resist. Our innate preferences for sugar and fat are sometimes hard to resist.
Mechanisms of active and passive immunity. Mechanisms of active and passive immunity.
Types of immunity. Types of immunity.
Another early evolutionary example of immunity When a red sponge and a blue sponge are blended ... Another early evolutionary example of immunity When a red sponge and a blue sponge are blended ...
Rinse the soap off completely from fingertips to elbows. Water flows off the forearms near the ... Rinse the soap off completely from fingertips to elbows. Water flows off the forearms near the ...
Video: Introduction to Human Immunodeficiency Virus (HIV)

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