Obesity can be “caught” as easily as a common cold from other people’s coughs, sneezes and dirty hands, scientists are set to declare today.

The condition has been linked to a highly-infectious virus which causes sniffles and sore throats.

Nikhil Dhurandhar, an associate professor at The Pennington Biomedical Research Center, in Baton Rouge, La., said the virus, known as AD-36, infects the lungs then whisks around the body, forcing fat cells to multiply and also causing sore throats. Read more