Evidence-Based Dog Longevity Science
Your dog could live longer.
The science exists. Use it.
Most owners don't know their dog's biggest health risks until it's too late. Get a free longevity score and personalized action plan in 2 minutes.
Five pillars of dog longevity
Everything we publish is grounded in veterinary science and peer-reviewed research.
Breed Longevity Guides
Detailed lifespan data, breed-specific health risks, and evidence-based longevity strategies for 301+ dog breeds.
Browse all breeds →Health Conditions A-Z
Comprehensive guides on 700+ common dog health conditions — symptoms, prevention, treatment options, and which breeds are at risk.
Explore conditions →Longevity Science
Breaking down the latest research in canine aging — from the Dog Aging Project to FDA longevity drugs to supplement evidence.
Read the science →Nutrition & Supplements
Evidence-based feeding guides, supplement protocols, and ingredient reviews to support practical daily decisions.
Explore 243+ nutrition guides →Practical Health Guides
Life-stage guides, veterinary procedure explainers, regional risk guides, and best-breed comparisons — 250+ practical references.
Browse all guides →A practical 3-step workflow
Start broad, then personalize. This sequence helps you turn content into a cleaner plan for your next vet discussion.
Set breed baseline
Open your breed guide to see lifespan range, common risk patterns, and prevention priorities.
Browse breed guides →Review condition risks
Match your dog's signs, age, and history to condition pages so you can spot early-warning signals sooner.
Explore conditions →Use the quiz for a plan
Generate a personalized 30-day action plan and use it as a structured checklist with your veterinarian.
Take the quiz →Popular breed guides
Lifespan data and longevity strategies for the most popular breeds.
German Shepherd
Lifespan
9-13y
Score
5/10
Weight
50-90
Chihuahua
Lifespan
14-18y
Score
9/10
Weight
3-6
American Pit Bull Terrier
Lifespan
12-16y
Score
7/10
Weight
30-60
French Bulldog
Lifespan
10-12y
Score
4/10
Weight
16-28
Bernese Mountain Dog
Lifespan
7-10y
Score
3/10
Weight
70-115
Goldendoodle
Lifespan
10-15y
Score
7/10
Weight
45-75
Latest science highlights
Recent evidence breakdowns on canine aging, prevention strategy, and intervention quality.
Hybrid Vigor in Dogs: What the Evidence Actually Shows
Mixed breed dogs are often claimed to be healthier than purebreds. The research tells a more nuanced story.
Read article →Dog Aging Project: Why It Matters and What Owners Can Use
A data-first guide to Dog Aging Project findings, including cohort scale, TRIAD trial context, and how owners can turn research signals into better veterinary decisions.
Read article →Loyal's Longevity Drug Program: What Dog Owners Should Know
A practical, evidence-focused guide to Loyal's canine longevity drug program, what regulatory milestones mean, and what owners should do now.
Read article →Free evidence-based assessment
How long will
your dog live?
Take a 2-minute clinical assessment and get a personalized longevity score based on your dog's breed, age, weight, and health history. Find out exactly where the biggest risks are and what you can do about them.
Get Your Dog's Score — FreeFree. No account needed. Results in 2 minutes.
Luna's Longevity Report
Golden Retriever, 4 yrs, 62 lbs
Longevity Band
Strong
Top 35% for breed
Top priority: Inflammatory load is below average. Adding omega-3 (EPA+DHA) at 75mg/kg is the highest-impact change.