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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

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Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

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Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Common Buttercup Common Buttercup
Prevalence of Diabetes in the United States Based on Age and Sex Data from the American Diabetes ... Prevalence of Diabetes in the United States Based on Age and Sex Data from the American Diabetes ...
Common skin signs are often evidence of an illness or disorder. A pustule is a small, elevated, ... Common skin signs are often evidence of an illness or disorder. A pustule is a small, elevated, ...
Psychology: It’s Not Just “Common Sense” Psychology: It’s Not Just “Common Sense”
STDs in the United Stated STDs in the United Stated
Photos simulating vision with two common visual disorders Photos simulating vision with two common visual disorders
Video: Sickle Cell Anemia

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