Dogs
Do dogs age seven years for every human year?
Verdict: Myth
Dog aging isn't linear. The first year equals about 15 human years, the second year about 9, and each year after about 5. Smaller breeds tend to live longer than large breeds. New research suggests a logarithmic formula based on DNA methylation.
Recommended Reading
Dog Items
Find your best dog products
Buy on Amazon* This is an affiliate link. We earn a small commission at no extra cost to you.
Sources & Further Reading
- Cell Systems Journal
Related Facts
Is it safe to give bones to dogs?
Cooked bones can splinter and cause injuries - raw bones are somewhat safer but still risky.
Should you feed your dog garlic for flea prevention?
Garlic can be toxic to dogs and isn't an effective flea treatment.
Want Unlimited Access?
Go Pro for an ad-free experience, deeper dives into topics, and the ability to save your favorite facts.
Become a PetsStart.com Pro