A low-fat diet is one in which less than thirty percent of a person's daily calorie intake comes from fat.

VOA: special.2011.07.05

Study leader Pooja Tandon says even small calorie reductions on a regular basis can prevent weight gain over time.

VOA: special.2010.01.27

In addition,there is also a difference in the appearance of calorie-restricted monkeys and those on a normal diet.

VOA: special.2009.09.01

Some critics say more research is needed to prove that calorie restriction extends life in monkeys.

VOA: special.2009.09.01

Scientists first studied the effects of calorie restriction on aging in the nineteen thirties.

VOA: special.2009.09.01

They tested the effects of calorie restriction in seventy-six rhesus monkeys over twenty years.

VOA: special.2009.09.01

The other half got menus without the calorie information.

VOA: special.2010.01.27

"So the combination of eating more calorie-dense food and having fewer opportunities for physical activity, that's what creates this obesity epidemic."

VOA: standard.2010.07.02

"And if you look at the lifestyle and eating style, they balance their physical activity with their calorie intake."

VOA: standard.2010.02.23

All of the 24 Happy Meal choices have more than a third of a child's recommended daily calorie intake.

VOA: standard.2010.06.24

Other studies point to high calorie fast food. But Levi says there are other risk factors.

VOA: standard.2010.07.02