Jul 21, 2015
Americans consumed far less junk when it wasn't so widespread. Consumption accelerated when marketers discovered they could stimulate “impulse buys.”
Obesity is associated with such diseases as type 2 diabetes, cardiovascular problems, hypertension, stroke, and some forms of cancer. RAND has investigated and continues to research the complicated interaction between environmental and genetic factors that contribute to the adult and childhood obesity crisis in the United States.