16, 5'3", 53kilos. can't lose weight at all - 4 hours cardio, 20k cycle + abs / week for 1 month, healthy eating, no weight lost! feel terrible :(?

Weight Loss: Don't know your food intake vs caloric expenditure. Eat healthfully. Try to eat at least 5 servings of vegetables & 4 of fruit per day. Increase nutritional fiber. Avoid refined sugar & junk carbohydrates. Avoid alcohol, sweetened juices, soda & caffeinated beverages. Aim for 7.5 to 8 hrs of sleep / night. Hydrate w at least 64 oz of water / day. Calories burned must > calories consumed. Do >

Don't lose weight!: Your body mass index is 20.5 -- that's perfect! You don't have to drop an ounce. On the otherhand, if you do voluntarily lose weight, you will actually risk your health.