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The elimination of smallpox from every region of the world took a huge effort. Getting rid of other infectious diseases, such as COVID-19, will be even more difficult.
Clinical trials suggest that psilocybin — the active ingredient in magic mushrooms — can provide durable remission from an increasingly common mental health condition.
Some researchers are finding clues that MDMA might be able to treat post-traumatic stress disorder. But the science has yet to catch up with the optimism.