The Healing Herb

Aclip from documentary called Clearing the Smoke depicts a microscopic view of the cancer cells that have had THC administered to them, which causes the malignant cells to weaken and eventually die completely. At the beginning you see cancer cells quickly moving but when THC is administered they turn blue and begin to slow down. Eventually they cease moving completely and some can be even seen dying at the end of the clip.
(Read more on Reset Me)