From an influential study published in 2005 (Olshansky et.al. 2005, New England Journal of Medicine, 352(11):1138-1145), the New York Times writes:
For the first time in two centuries, the current generation of children in America may have shorter life expectancies than their parents, according to a new report, which contends that the rapid rise in childhood obesity, if left unchecked, could shorten life spans by as much as five years.
In light of this, the White House (an initiative spearheaded by First Lady Michelle Obama) has launched a program that seeks to solve the epidemic of childhood obesity.
Visit the White House website for “Let’s Move”