What are the side effects on smoking medical marijuana?

Marijuana is generally safe for most users. However, like all drugs, a small percentage of people do experience side effects.

Use of marijuana can cause dry mouth, nausea, vomiting, dry or red eyes, heart and blood pressure problems, lung problems, impaired mental functioning, weight gain, headache, dizziness, numbness, panic reactions, hallucinations, flashbacks, depression, and sexual problems.