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Because alcohol is toxic, the fly's brain must carefully weigh the risks and benefits of drinking it, and it does this by balancing signals of attraction with aversion.

Trump’s aversion to accountability clearly reflects a desire to protect his own efforts to totally control executive policy.

Because conventionally attractive men send me hurtling back in time to when I was an awkward preteen, and I’ve since developed an aversion.

You began the first of two affairs that we know about, your aversion to a day's hard work continued as you messed up yet another job at Reynolds.

The challenge for Democrats, he believes, is to focus on new ways to attract attention — and to overcome their “risk aversion to trying new things.”