What is one reason why the percentage of overweight teens has increased over the past 50 years?

Teenagers spend a lot more time outside.
Television commercials promote healthy food.
There is more junk food and fast food available.
People today have less access to food.

1 answer

One reason why the percentage of overweight teens has increased over the past 50 years is that there is more junk food and fast food available. This increased availability of high-calorie, low-nutrient food options has contributed to unhealthy eating habits among teenagers.