'Sweet Tooth' Gene Linked To Having Less Body Fat, Study FindsA new study has found that people with a specific gene which makes them crave sugary treats actually have less body fat than others.
Study: Viewing Violent Media May Be GeneticChildren with a certain genetic marker are more likely to play violent video games and watch violent TV shows and movies.
Studies Test How Early In Life To Peek Inside DNAFully mapping someone's genes to look for health risks is full of ethical challenges.

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