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

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There are more nerve cells in one human brain than there are stars in the Milky Way.

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Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

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Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

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