Coffee and beer are polar opposites in the beverage world. Coffee picks you up, and beer winds you down. Now Prof. Martin Kupiec and his team at Tel Aviv University’s Department of Molecular Microbiology and Biotechnology have discovered that the beverages may also have opposite effects on your genome. Working with a kind of yeast that shares many important genetic similarities with humans, the researchers found that caffeine shortens and alcohol lengthens telomeres -- the end points of chromosomal DNA, implicated in aging and cancer.
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