Longevity
Sports-science thinking for working, sporting, and service dogs — load management, recovery science, and honest labels, not hype.
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What a Realistic Healthy Lifespan Looks Like for Your Dog's Breed
A load-and-recovery look at why a 90-pound Mastiff and a 9-pound terrier are running very different clocks, and how to read your own dog's trajectory instead of a generic number.
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What Age Should You Start Giving a Dog Longevity Supplements?
A vet's evidence-bounded answer on when to start longevity supplements for dogs, framed around load, recovery, and the "still working" question, not a magic start date.
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How to Help a Senior Dog Regain Lost Energy Safely
A vet's evidence-based framework for senior dogs who have slowed down — what to rule out first, what actually moves the needle, and where the science is still thin.
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What Age Is a Small Breed Dog Considered a Senior?
A load-management explainer on when small breed dogs actually enter the senior life stage, why the old "7-year rule" misleads owners, and what to watch instead.
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Dog Hind Leg Weakness: A Neurologist's Triage Checklist for What's Actually Going On
A veterinary neurologist walks through how to tell orthopedic hind-leg weakness from a neurologic one in dogs, what degenerative myelopathy really looks like, and when to call the vet today.
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NAD+ Precursor Chews for a Dog Whose Energy Dropped Around Age 8
A senior dog slowing down at 8? Here is what NAD+ precursor chews can and cannot do, what the canine evidence actually shows, and how to read a label before you buy.
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Signs of Taurine Deficiency in Dogs: The Quiet Symptoms Worth Catching Early
The early and late signs of taurine deficiency in dogs, why the heart shows it first, which breeds and diets raise the risk, and how it's tested and reversed.
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Why Your Old Dog Startles at Sounds He Used to Ignore
A senior dog who suddenly startles at everyday sounds is usually telling you about his ears, his joints, or his aging brain. Here's how to sort out which.