Medical marijuana has been on the good and bad part of the daily news nowadays and this issue has been through a long way of controversy in the field of medical sciences as well as the society. This field of study has a long way to go and has its roots centuries back. Currently medical marijuana is legally available for various medical treatments and in America and they are allowed to use this for treatments against many illness. There is scientific evidence of improvement in patients with terminal illness such as cancer and AIDS by reducing pain and increasing appetite. Many doctors and scientist believe that this cannabidol can be used to help people with issues like anxiety, depression.