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The horizontal fraction bar was introduced by the Arabs.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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.
A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.