While researchers look for ways to combat obesity, one Indiana University professor found an unexpected health impact for cannabis.

Thomas Clark, a professor of biology at IU South Bend, discovered that cannabis users have less risk for obesity and a lower Body Mass Index.

Clark studied the effects of anti-depressants on mosquito larvae and noted that the drugs affected appetites.

"From my background, I knew lots of plants send chemical signals (such as) anti-depressants reducing appetite," he said.

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Whitney Downard ~ Goshennews.com ~