The last 20 years has probably made (much) less difference than you appear to think.
From Wikipedia: "The rate of increase in the incidence of obesity began to slow in the 2000s".
But, to attempt to answer your question:
e.g., the expectation that both adults in a household will work means that people/parents are more likely to be time-poor and not able to cook. Cooking skills have been lost.
From Wikipedia: "The rate of increase in the incidence of obesity began to slow in the 2000s".
But, to attempt to answer your question: e.g., the expectation that both adults in a household will work means that people/parents are more likely to be time-poor and not able to cook. Cooking skills have been lost.