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Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

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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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Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Based on this figure, what pathway is used during urinary catheterization, in which a tube is ... Based on this figure, what pathway is used during urinary catheterization, in which a tube is ...
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