Diet high in saturated fats increases a person's risk of developing heart disease
Regular consumption of red wine reduces the risk .
Per capita consumption of saturated fats is about the same in France and US , but red wine consumption is higher in France .
Difference in red wine consumption has been decreasing , however no similar convergence in heart-disease rates has occurred.

Paradox -

A. Consumption of saturated fats is related more strongly to the growth of fatty deposits on artery walls, which reduce blood flow to the heart, than it is to heart disease directly. Irrelevant

B. Over the past 30 years, per-capita consumption of saturated fats has remained essentially unchanged in the United States but has increased somewhat in France. Irrelevant

C. Reports of the health benefits of red wine have led many people in the United States to drink red wine regularly. Does not help the resolve the paradox

D. Cigarette smoking, which can also contribute to heart disease, is only slightly more common in France than in the United States.
It does not resolve the paradox , but on the contrary does the opposite .

E. Regular consumption of red wine is declining dramatically among young adults in France, and heart disease typically does not manifest itself until middle age.
Correct - Consumption of red wine is declining among young adults in France but the effects will only manifest when these people are in middle age.

Answer: E