Q: What is the amount of calories you can consume and still lose alot of weight?
A: The amount of calories you consume and still lose weight depends on your gender, body weight, height, body type, age, activity level, and foods the calories come in with: eating more fat and less carbohydrates can allow you to have up to 300 extra Cal. comparing with those who eat less fat and more carbohydrates and still lose weight:
click here to read more!
As to the celery's ability to aid in weight loss, there is a common 'negative calorie' myth based on the fact that humans and animals alike, when they eat bulky foods (containing less calories ounce for ounce) because they tend to stop eating when a certain _volume_ and not calorie amount is being consumed. One cup of celery contains 19.2 Cal. -- compare with 123.68 Cal. in a cup of milk or 1909.4 Cal. in a cup of olive oil!
You might want to read more detailed explanation following these links:
Atkins Diet and Calorie Intake
Negative Calorie Diet
Value the Volume!
