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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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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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According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.