A million years of marijuana: How cannabis became our favourite weed
![A million years of marijuana: How cannabis became our favourite weed](https://images.newscientist.com/wp-content/uploads/2023/09/05175656/SEI_170259798.jpg?width=1200)
Cannabis was one of the first crops that humans cultivated about 12,000 years ago. But medicinal and psychoactive uses are much more recent
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As marijuana use grows, researchers want to know how it affects the heart
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Reefer madness? Study appears to dispel theory of spike in teen marijuana use in states where it's legal - ABC News
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Weed is stronger than ever, but it might not affect our brains that much: 6 surprising facts about cannabis
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Breaking Down the Cannabis Plant
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New York's weed laws mean marijuana is legal but the stores selling it aren't yet - Vox
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Cannabis - Wikipedia
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Cannabis in the seventies, a decade of change- Alchimia Grow Shop
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New Study: Marijuana Users Three Times More Likely To Develop Peripheral Artery Disease
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Recreational Marijuana - Pros & Cons - ProCon.org
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Three Big Reasons Marijuana Is Misunderstood - Dr. Kevin Hill