This is Your Brain on Caffeine: Images Reveal Startling Mental Effects

New images show getting a caffeine fix can be considered a mental health disorder.
1:33 | 06/02/13

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Transcript for This is Your Brain on Caffeine: Images Reveal Startling Mental Effects
-- headlined the -- attention tonight about coffee and how much many of us drink every day -- -- in fact looking at that feeling you get. When the caffeine wears off sometimes that chemical crash so intense. They're now considering it a medical condition here tonight ABC Susan Solomon. Haven't missed your morning caffeine fix gas in it but -- really bad headache and wouldn't want to be around. -- -- We've all been there and now there's a medical term for it. In the American psychiatric association's manual of mental disorders yes mental disorders researchers want people to know that caffeine withdrawal is real and brings the -- headache and difficulty focusing. Doctors say caffeine which is a drug is safe for adults who consume up to about 400 -- today. That's about four cups of coffee ABC's Lisa stark drink that much and -- an MRI to show addicted to her brain. Here's before. And here's after. Her blood flow went down 40% in her blood pressure shot up the government is worried about the onslaught of newly caffeinated products in almost every -- of the supermarket. In things like popcorn and hot sauce. Even gummy bears the Food and Drug Administration is considering a crackdown on their particularly concerned about the effects on children -- Part is you know all the things he's done have kept and it cannot intentionally tanks tonight -- A several people like -- today said they -- actually glad that caffeine withdrawal was finally being recognized as something real. But others said -- remain concerned about possibly being labeled with the mental disorder.

This transcript has been automatically generated and may not be 100% accurate.

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