Luckily we have some good research on both. It turns out smoking, of /any/ substance, is a net negative for a person's health. It is unsurprising that there i

Luckily we have some good research on both. It turns out smoking, of /any/ substance, is a net negative for a person's health. It is unsurprising that there is long-term damage to the brain, because in the short term when you smoke you are causing a reduction in oxygenation, which no doubt has long-term effects when done repetitively, nicotine aside.