Why do we add salt to our food?

How can a 154 pound person gain 10 pounds in 2 weeks? What dress size is a woman with a 39 inch waist? What is idothyroxine? What do you know about balanced diet? If I am a 5'7 woman who weighs 140 pounds and I would like to go down to 130 pounds how many calories should I eat? Does a dieting person accurartely loss mass or lose weight? Does vinegar destroy vitamin c? What is 32 inch waist in centimetres? How many calories is there in a pound? Are ash trees poisonous to cattle? What do proteins break into? Which has more calories a raw apple or a baked apple? Are sweet patato fries fattening? Which nuts are best for you to eat? How many calories in a 75 cl bottle of 12.5 red wine? How many grams of carbs should be eaten a day if you are 5'4 and weight 247? What does a gallon measure? How much does a woman weight to fit a size 20 dress? How many carbohydrates would you consume if you ate the whole bag of Doritos? What nutrients supplies your body with energy?