4 ms·

>obesity has never been a major health problem until modern times I would suggest a link between abundance of food and obesity. Also sedentary lifestyle

• carlmr 6y ago
  But we've had abundance of food in the 20th century long before the obesity epidemic.
  • WalterBright 6y ago
    The US left subsistence farming behind around 1800 and had consistent surpluses ever since. You can see this in statistics of average height, they shoot up in the 1800's.
  • tremon 6y ago
    how "long"? Several studies have indicated (sorry, no sources) out that a person's diet during childhood affects the expressed genes of its offspring. There may be a generational lag (say, 20 years) between a change in diet and how it affects the population, it doesn't have to occur instantly.
  • blaser-waffle 6y ago
    We also had factory jobs, hands-on farm jobs, and plenty of other physical labor.