› added 19 hours ago

TIL heroin and opium were widely used by US servicemen in Vietnam war, partly to help them tolerate the challenges of the war environment. ~43% of US servicemen who served in Vietnam had used heroin/opium at least once and half of those are thought to be dependent on them at one point (1974 study).

Read more ncbi.nlm.nih.gov

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BrNmd TIL that the longest year so far was 1972. Being a leap year containing two leap seconds it lasted 31 622 402 seconds.
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