ncbi.nlm.nih.gov

pYDZb TIL that only about 1.5 percent of black widow bites are life-threatening (fatality isn't stated)
l7DOK TIL that the human body replaces its entire skeleton every 10 years.
Egp17 TIL that black widow bites have a ~1% death rate according to NIH in a case study of roughly 24.5k people who were bitten