Why do women live longer—is it just biology?
New research suggests a surprising reason for the longevity gap. Female mammals consistently outlive males. A recent study analyzing 1,176 species points to sexual behavior as a key factor. It appears that differences in mating strategies impact lifespan.
Seriously, are we blaming romance for aging?
The study, published in Science, found that species with more intense male-male competition tend to have shorter male lifespans. This competition leads to increased stress and injury. Interestingly, this doesn't affect females as much. Over 90% of species studied showed this sex-based difference in lifespan.
This isn't just about mammals. Researchers also observed similar patterns in birds. The findings highlight the powerful influence of evolutionary pressures on aging. It's a fascinating look at how behavior shapes our biology.
The implications are far-reaching. Understanding these evolutionary drivers could unlock new insights into healthy aging. Future research will likely explore the specific mechanisms linking sexual behavior and lifespan.
