The shingles vaccine is a more concentrated version of the chickenpox vaccine currently given to children. Both are live, weakened forms of chickenpox virus. The shingles vaccine contains about 14 times the amount of weakened chickenpox virus than the vaccine for children.
Unhealthy trans fats lurk in most processed foods, including cookies, baked goods, popcorn, margarines, shortenings, crackers, doughnuts, chips, frozen waffles, and french fries.
Partially hydrogenated fat -- trans fat -- is gradually being removed from most packaged foods. But it's still found in some stick margarine, shortening, fast food, cookies, crackers, granola bars, and microwave popcorn. There is no dietary requirement for trans fat, although it's nearly impossible to completely avoid.