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.
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Sources & Further Reading
- Cell Systems Journal
Related Facts
Do dogs dream?
Brain wave studies show dogs experience similar sleep cycles to humans, including REM sleep when dreaming occurs.
Do small dogs live longer than large dogs?
Small breeds typically live several years longer than giant breeds.
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