Luckily, Purina has developed the Dog Years Calculator to help you work out your dog's 'true age'. So, is your pet still a playful puppy or have they hit their midlife crisis earlier than expected?

To test your dog’s age, Purina have created their own dog age calculator. The rate of aging varies between small, medium, large and very big dogs. After one human year, small dogs are ...

Trying to figure out your dog’s age in human years? People used to say just multiply by seven. A new study says that is not accurate. Researchers at the University of California San Diego School ...