Decompression sickness (DCS, also called the bends or caisson disease) is the result of inadequate decompression following exposure to increased pressure. In some cases, the disease is mild and not an immediate threat.
Protein and carbohydrates each contain 4 calories per gram. Consuming the right balance of protein, carbohydrates and fat can help you maintain a healthy weight and optimize your energy levels. Protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram. Calculating your calorie needs can help you determine how many grams of protein, carbohydrates and fat you should consume each day.
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.