Tagged With what to worry about this week

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Every day it seems there's a new health study out. Something that used to be bad for you is good for you, or vice versa. It turns out most of these newsy findings are not really a big deal: Sometimes they only apply to mice, or they're a blip that doesn't change the overall scientific understanding of the topic. So let's take a look at some of this week's stories, and see what's big news and what isn't.