"Even if your diet contains enough, you may be falling short."

An ordinary diet contains about 70 g of lead per day.

The other half will be placed on a diet containing only 15 percent of calories from fat.

The diet they're being fed doesn't contain enough energy or calories.

Typical diets for fish may contain from 32% to 45% total protein by weight.

Such a diet contains few nutrients, meaning they must eat a lot to survive.

The diet in the new study contained less than half as much salt as most Americans eat.

All three diets contained a moderate amount of sodium and alcohol.

But he added that the typical vegetarian diet contains plenty of fat.

The traditional diet of the islanders contains 30% green and yellow vegetables.