/u/Meeia's posts in /r/askscience

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Exercise gets the heart rate and blood pressure up and that is a good workout for the heart; is it good or bad for the heart when it is frequently hammering from excitement during sedentary activities, like playing video games or gambling?

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You are standing still when you are hit in the face by a solid object traveling at the speed of sound. How light must be object be (and give an example) in order for you not to sustain an injury?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Exercise gets the heart rate and blood pressure up and that is a good workout for the heart; is it good or bad for the heart when it is frequently hammering from excitement during sedentary activities, like playing video games or gambling?	1
You are standing still when you are hit in the face by a solid object traveling at the speed of sound. How light must be object be (and give an example) in order for you not to sustain an injury?	1