By the late 1990s,although unsaturated fats were still generally
considered by consumers to be healthier than saturated fats, ( 31 ).Research began to reveal that trans fats were in fact
16
more harmful to coronary health on a per calorie basis than either saturated or unmodified unsaturated fats.Some official estimates suggest that up to50,000 deaths from heart disease could be prevented in the United States each year if trans fats were removed from the nationaldiet.This evidence in hand,New York has taken what some consider a drastic step:it is requiring all restaurants in the city to adopt alternatives to trans fats.0nly time wi11te11ifthis decision has the desired effect,but other states and municipalities across the country are now considering following suit.

(29) 1 could save people's lives

21s practically impossible
3wi11increaserestaurants'profits
4 might not be medically advisable
(30)1increasedinvalue 2experiencedaboom
3 had been modified 4 went out of fashion