11/03/2011 02:08 pm ET | Updated Jan 03, 2012

Too Much Sitting Linked To Cancer

Our culture of sitting may be responsible for 173,000 cases of cancer each year, according to new estimates. Physical inactivity is linked to as many as 49,000 cases of breast cancer and 43,000 cases of colon cancer a year in the United States, said Christine Friedenreich, an epidemiologist at Alberta Health Services-Cancer Care in Canada.

Read more on MSNBC