Can Cannabis Improve Night Vision? Study Says Yes

Researchers at McGill University in Montreal have shown that cannabinoids can increase the responsiveness of retinal cells to light, according to The Guardian.

At least two other studies looking at cultures where cannabis is prevalent have revealed a potential correlation between good night vision and cannabis use.

Fishermen in Jamaica had long attributed their excellent night vision to smoking cannabis or using a rum-based cannabis tincture. That effect was confirmed by pharmacologist M.E. West 25 years ago.

In 2002, researchers in Morocco were also able to confirm cannabis’ effects on night vision in fishermen and mountain-dwellers in that country, using a new device that measured the sensitivity of retinal cells in the eye.

The new study focuses on retinal cells using animal models. Researchers applied a synthetic cannabinoid directly to the eyes of tadpoles and used electrodes to measure changes in retinal nerves, measuring

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