Physical activity is associated with longer life expectancy, even at relatively low levels of activity and regardless of body weight, according to a study led by the National Cancer Institute of the National Institutes of Health. The study found that people who engaged in leisure-time physical activity had life expectancy gains of as much as 4.5 years.
Q: Why do some vegetables, such as cooked diced carrots, spark when I reheat them in the microwave?A: Microwaves work by sending out electromagnetic waves that vibrate the water, fat and sugar molecules in food, creating heat. The microwave generates an electric field, but the intensity of the electricity varies throughout the microwave. When you cut a carrot into small pieces and heat them in… ... more