immune systems

According to Newsweek, people who grow up on a pet farm are less likely to suffer from depression or other mental illnesses in later life.

German and American scientists can maintain pig hearts inside a baboon for more than two years, creating a breakthrough in the field of organ transplants.

The seasons of the year seem to have a profound effect on how human genes and immune systems work. And this may explain why some diseases get worse in the winter and we seem to be