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The researchers analysed blood
from 105 Labrador retrievers. After a bit of number
, they created a graph to show the different
at which canines and humans age. They said a one-year-old dog is
to a 30-year-old human, while a four-year-old
is comparable to a 52-year-old person. Researcher Trey Ideker said by the time a dog reaches seven years old, its ageing slows. He said: "This makes
. When you think about it, a nine-month-old dog can have puppies, so we
knew that the 1:7 ratio wasn't an
measure of age." The researchers said their new
doesn't fully address the fact that different breeds of dog age at
speeds.