What is the side effects of smoking cannabis other than the tar from smoking which causes lung cancer?

An addiction to Doritos and/or Taco Bell.

Increased appetite (cancer patients). Eliminates leg cramps (personal experience), increase in productivity, better sleep, increases focus at work, relieves anxiety, greatly reduces seizure activity, relieves glaucoma. That's off the top of my head. Cannabis isn't just smoked. The CBD part of it is in an oil that is given to people who have severe seizure disorders.

Coating of the brain neurons with thc constituants resulting in the inability to send and receive signals in a timely manner.

This results in the burned out behavior of a marajuana user

Stupidity

Addiction, brain damage, gateway to other drugs, school failure with consequent lack of success.....

A study in men a few years ago suggests it leads to an increased risk of testicular cancer.

It can cause psychosis and paranoia.....every mental hospital or ward has at least one pothead in it.

Doctors say it shrinks the brain and lowers the IQ. It can also cause memory problems.

A confirmed increase in the likelihood of developing schizophrenia, circulation problems and there are short term memory issues.