` 1 ` : Calories are units of energy

` -` Thông tin ngày đầu bài

` 2 ` : An apple contains ` 80 ` calories 

` -` Thông tin : For example, an apple has about 80 calories, while a 1.6 km walk might use up 100 calories 

` 3 ` : Everyone needs different amounts of energy per day depending on age, size and activity levels

` -` Thông tin : Everyone needs different amounts of energy per day depending on age, size and activity levels

` 4 ` : At least 1.800 calories per day 

` -` Thông tin : To stay in shape, an average adult requires at least 1,800 calories per day

` 5 ` : If we eat too many calories , we will put on weight

` -` Thông tin : However, eating too much can make you put on weight