Now that cannabis is legal in several parts of the U.S., researchers are starting to debunk several myths about marijuana. At the same time, weed’s social stigma is beginning to loosen—so much so, in fact, that athletes and fitness gurus who laud marijuana’s wellness benefits are starting to challenge the stereotype of lazy, overweight stoners.

But is marijuana truly a miracle drug that enhances athletic performance or do its negative side effects outweigh its benefits?

We spoke to several experts in medicine, fitness, and the cannabis industry about how marijuana can potentially benefit or hurt your fitness.