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The familiar sounds of your heart are made by the heart's valves as they open and close.

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There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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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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Women are 50% to 75% more likely than men to experience an adverse drug reaction.

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