Common science misconceptions that you never knew

#1: Blind as a Bat

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#2: Poinsettias

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#3: Dropping a Penny

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#4: Blondes and Redheads

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#5: Grave Growth

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#6: Snot

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#7: Pure Water

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#8: Frog Warts

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#9: Head under Sand

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#10: Blue Blood

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#11: Sugar Free

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#12: Talented Eggs

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#13: Cracking Bones

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#14: Organic?

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#15: Blood Pressure

Stress doesn't play a large role in chronic high blood pressure. Acute stress can temporarily increase blood pressure, but overall it's not a main cause of hypertension. Things like genetics, smoking, and a bad diet are much bigger factors.

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