Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

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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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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

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The average adult has about 21 square feet of skin.

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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

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