2006 (jan 4, 2006 – dec 7, 2010)
Description:
Researchers from the University of California-Davis tracked only 67 people in the study, which was financed by Masterfoods, a unit of Mars, the maker of M&Ms and Dove chocolates.Added to timeline:
Date:
jan 4, 2006
dec 7, 2010
~ 4 years and 11 months