A higher percentage of baby boomers are obese than in any other group in the USA, a poll carried out by LifeGoesStrong has revealed. Findings revealed that while approximately 36% of baby boomers are obese, the figure for the two generations directly above and below them is about 25%. A baby boomer is somebody born during a baby boom, which in this text refers to US citizens born between 1946 and about 1965/Medical News Today. More here.

Question: Why are so many Baby Boomers obese?