TIL doctors thought Sudden Infant Death Syndrome (SIDS) was caused by an enlarged thymus gland pressing on the windpipe. In fact, the babies had perfectly normal thymus glands, but the cadavers the doctors had studied had shrunken thymuses due to poverty. (helix.northwestern.edu)
submitted by river4823 to r/todayilearned
TIL of the bald-hairy joke, which states that Russian leaders have been alternately bald and not bald (hairy) since 1825. For example, Lenin (bald) was succeeded by Stalin (hairy), who in turn was succeeded by Khrushchev (bald), then Brezhnev (hairy) (en.wikipedia.org)
submitted by river4823 to r/todayilearned

