TEHRAN, August 29 -Low-calorie diets work, but can be difficult to follow. A much simpler approach to losing weight might be to just stop eating every other day.
TEHRAN, August 13 -Earth's tropical forests host the greatest levels of biodiversity on the planet. Tropical ecosystems are home to thousands of mammals, birds, amphibians and plant species.
TEHRAN, November 29 -Poor diets are among the top causes of ill health globally, accounting for nearly one in five deaths, according to a study published on Thursday that called on governments and businesses to do more to improve eating habits.