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nih.gov
69NO8
TIL that small dog breeds with stubby legs, such as Dachshunds, Corgis, Pekinese and Basset Hounds, are actually suffering from a form of dwarfism
78a9L
TIL Hair straightening chemicals associated with higher uterine cancer risk
wLRgP
TIL about a mutation in the ADRB1 gene that affects sleep. People who inherited one copy of this mutant gene had a shortened sleep cycle, sometimes requiring only 4.5 hours of sleep per night.