> For THC, there are varying figures, ranging from 1,260 milligrams of THC per kilogram of body weight down to 666 mg/kg. Even going with the lowest figure, a 175-pound man would have to consume more than 53 whole grams of pure THC all at once. [...] Need more perspective? Caffeine has an LD50 of 192 mg/kg, and nicotine is around 60 mg/kg.
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https://www.westword.com/news/dear-stoner-how-much-thc-equal...
> For THC, there are varying figures, ranging from 1,260 milligrams of THC per kilogram of body weight down to 666 mg/kg. Even going with the lowest figure, a 175-pound man would have to consume more than 53 whole grams of pure THC all at once. [...] Need more perspective? Caffeine has an LD50 of 192 mg/kg, and nicotine is around 60 mg/kg.