The Actual Reason Men Die First

The video explores why males often have shorter lifespans than females, focusing on the role of sex chromosomes. It explains that in many species, the sex with a smaller chromosome tends to die earlier. This is due to the genetic advantages of having more big chromosomes, which carry numerous genes, and the disadvantages of small chromosomes, which are vulnerable to harmful mutations. The video presents two hypotheses: big chromosomes are beneficial, and small ones are detrimental. Both are likely true, and scientists continue to debate their impact on lifespan.

What new insight or understanding did you gain from this video?