Whether marijuana is harmful or beneficial for the brain is unclear. Although scientific studies of cannabis and its effects seem to pop up daily, many of them tend to be inconclusive or in need of further evaluation

A healthy brain knows where you are the whole time you’re conscious. Somewhere in your head is the constant mental narrative that tells you where you are, which way up you are, and where you stop and the world around you begins.

While there’s no compulsive shopping gene, there are several theories about why people are more susceptible to addictive and obsessional behaviors. It might have a genetic basis, but Annie Gurton thinks the reality is addictions are more likely to have an environmental cause.