Edward Snowden: Leaks that exposed US spy programme. Read more about sharing. Edward Snowden, a former contractor for the CIA, left the US in late May after leaking to the media details of extensive internet and phone surveillance by American intelligence.
The number of calories in a food is a measure of how much potential energy that food possesses. A gram of carbohydrates has 4 calories, a gram of protein has 4 calories, and a gram of fat has 9 calories. Foods are a compilation of these three building blocks. So if you know how many carbohydrates, fats and proteins are in any given food, you know how many calories, or how much energy, that food contains. If we look at the nutritional label on the back of a packet of maple-and-brown-sugar oatmeal, we find that it has 160 calories.
Caloric Needs. The average man takes in 2,512 calories per day, according to the survey, while the average woman gets 1,778 calories. Men, who have more muscle mass, a higher caloric intake and larger bodies than women, need more protein each day.