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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

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According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

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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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Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Rib Cage Angles, Costal Angle, Angle of Ribs Rib Cage Angles, Costal Angle, Angle of Ribs
Range of Motion of the Knee Joint: Flexion, Extension, and Hyperextension Range of Motion of the Knee Joint: Flexion, Extension, and Hyperextension
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wrist bones wrist bones
An additional extension may be necessary to hoist a truck or van equipped with running boards to ... An additional extension may be necessary to hoist a truck or van equipped with running boards to ...
Bones of the head Bones of the head
Video: ETC Protein Complexes & Chemiosmosis (Total ATP Production and ATP Synthase)

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