4 Things To Know: Arsenic In Wine, Skin Cancer Risk For Gay Men & MoreThese are the four stories you need to know about for Friday, March 20.
Good Question: How Much Blood Does Red Cross Need? Who Can’t Give?The American Red Cross says they urgently need blood donors in order to prevent an emergency blood shortage. Donations drop significantly in the summer, and all blood types are needed. So how much blood does the Red Cross actually need? And is there anyone who can't donate blood?

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