Following are 100 studies proving cannabis to be an all-natural cancer killer:

The US government has a patent on Cannabinoids:
The United States Of America As Represented By The Department Of Health And Human Services 

  U.S. Patent No. 6,630,507  

Cannabis kills tumor cells

Uterine, testicular, and pancreatic cancers

Brain cancer

Mouth and throat cancer

Breast cancer

Lung cancer

Prostate cancer

Blood cancer

Skin cancer

Liver cancer

Cannabis cancer cures (general)

Cancers of the head and neck

Cholangiocarcinoma cancer


Cannabis partially/fully induced cancer cell death

Translocation-positive rhabdomyosarcoma


Cannabis kills cancer cells


Thyroid carcinoma

Colon cancer

Intestinal inflammation and cancer

Cannabinoids in health and disease

Cannabis inhibits cancer cell invasion