Aging questions
What a longer, healthier dog life means, what age clocks measure and what other species can tell us.
Words before numbers.
Aging questions starts with the words owners meet in canine aging research, such as a longer, healthier dog life. It looks behind the number on a biological-age clock and weighs whether other species can answer a dog question. Theo Marsh keeps quality of life in the same frame as lifespan.
Articles in this section
Aging questions · Research explainer
What do we mean by a longer, healthier dog life?
Updated · 6 min read
Aging questions · Evidence explainer
Biological-age clocks: questions behind the number
Updated · 6 min read
Aging questions · Comparative research essay
Can another species answer a dog-aging question?
Updated · 7 min read