Life: Dog's

: Modern dogs can learn over 100 words and gestures. They use eye contact to communicate love—a gaze that actually increases oxytocin levels in both species. 2. The Biological Timeline

: Roughly speaking, a dog's first year equals 15 human years, their second year equals 9, and each subsequent year is about 5 human years. 3. Impact on Human Well-Being Dog's Life

Science confirms what many owners feel: dogs significantly improve the quality of human life. : Modern dogs can learn over 100 words and gestures

A dog's life moves at an accelerated pace compared to ours. This rapid aging makes them valuable for "Geroscience," helping researchers understand biological mechanisms of aging that also apply to humans. their second year equals 9

: They evolved from a now-extinct species of wolf.