Your body may not thank you for taking a break from exercise. Two new studies from the University of Liverpool and McMaster University, among others, monitored active people who abruptly started sitting more. This caused their blood sugar levels to rise, insulin sensitivity to decrease and weight to increase. The studies' volunteers returned to an active lifestyle after two weeks, but the undesirable metabolic changes did not fully reverse. Dr. David Agus joins "CBS This Morning" to discuss the findings.
