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

In the late 18th century painting, sculpting and sketching were used in what was called the ‘moral treatment’ of psychiatric patients, but it wasn’t until the mid 20th century that the practice became more widespread.

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.