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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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Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

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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.

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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

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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.

Renin Angiotensi​n Aldosteron​e System Renin Angiotensi​n Aldosteron​e System
Hormones associated with the hypothalamus and pituitary gland. Hormones associated with the hypothalamus and pituitary gland.
Angiotensin II Receptor Blockers, Aldosterone Antagonists, and Renin Inhibitors Angiotensin II Receptor Blockers, Aldosterone Antagonists, and Renin Inhibitors
Superficial/Anterior Skeletal Muscles Superficial/Anterior Skeletal Muscles
The renin–angiotensin–aldosterone system The renin–angiotensin–aldosterone system
The renin–angiotensin–aldosterone pathway The renin–angiotensin–aldosterone pathway
Video: Atrophy

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