7 votes
Accepted

Catch a cold from the grass?

No, you can't catch a cold from plants. You can, however, inhale lots of grass pollen because... we would run around and lots of dried grass dust would get kicked up. The second clue it's a pollen ...
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  • 9,346
2 votes
Accepted

Why sneezing occurs when suddenly exposed to bright lights?

To answer this question as to why some 35% of people may experience the photic sneeze reflex requires knowledge of how the photic reflex occurs and its function, and both are currently unknown. It ...
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  • 13.2k
1 vote

What's the correct way to sneeze?

Whatever you do, make sure you cover your mouth with e.g. the inside of your elbow. Spreading bugs is a) bad, and b) impolite. See this CDC webpage for more information.
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  • 148

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