The Dog Aging Project and similar longitudinal studies are producing unprecedented insights into the factors that influence healthy aging and welfare in companion dogs.
Longitudinal dog aging research is moving our understanding from anecdote to evidence on what actually promotes healthy aging and welfare across a lifetime. The finding that social bonds significantly predict healthy aging outcomes reinforces the welfare importance of stable, supportive human-animal relationships throughout a dog's life. Physical exercise, cognitive engagement, and appropriate preventive healthcare emerge as the most consistent predictors of good welfare in old age. This research also highlights that aging well is a lifelong process, with decisions made in puppyhood and middle age having measurable welfare consequences in senior years. The Dog Aging Project data will continue generating welfare-relevant insights for decades.