Nicotine is wonderful. 2mg and 4mg lozenges are readily available, you don't have to take up smoking to get it. It's excellent for many, many things: cognition,

Nicotine is wonderful. 2mg and 4mg lozenges are readily available, you don't have to take up smoking to get it. It's excellent for many, many things: cognition, focus, appetite control, positive habit formation, etc. Addiction is literally its only downside.