Paragraph 2
The researchers analysed
samples from 105 Labradors. After some number
, they created a graph to show the
rates at which dogs and people age. A one-year-old dog is
to a 30-year-old human, while a four-year-old dog is like a 52-year-old person. A
said when a dog turns seven, its ageing slows. He said this made
, and that: "A nine-month-old dog can have
, so we already knew that the 1:7 ratio wasn't an
measure of age." The new
doesn't fully address the fact that different breeds of dog age at different
.