Sylvester Used to Keep Track of His Calorie Consumption and Fat

Sylvester used to keep track of his calorie consumption and fat grams on a daily basis when he was in his early twenties. When he was in his thirties he still counted calories during the week, but he tended to pay less attention to what he ate on weekends. Now that he is in his forties, Sylvester no longer keeps track of the number of calories or fat grams in the foods that he eats. Which trend is illustrated by Sylvester's pattern of behaviour?

A) The risks associated with health-impairing behaviours are often overstated in the media.
B) Men are more likely than women to develop health-impairing habits.
C) Many health-impairing habits creep up on people.
D) The risks associated with health-impairing behaviours tend to lie in the distant future.