For centuries, people have debated whether kids add years to your life—or take them away one sleepless night at a time. Now researchers are weighing in with actual data. A new study suggests there may be a biological sweet spot when it comes to family size, with both very large families and having no children linked to faster aging. Scientists say it all ties back to evolutionary trade-offs: the body only has so much energy to spend on reproduction and long-term maintenance. In other words, raising kids might be the ultimate life balancing act.
The Number of Kids You Have May Affect Your Lifespan, Study Finds
