A new study revealed the complex patterns of migration by ice age humans based on the analysis of their bone samples. (techtimes.com)
Just as aging humans begin to forget things and are more susceptible to mental conditions, your aging animals may also begin to confront age - related cognitive and behavior changes. (tampabayvets.net)
Like aging humans, older dogs tend to exercise less and thereby need fewer calories. (animals.howstuffworks.com)