How to Lose Weight Fast: Simple Steps, Based on Science

Cut Back on Sugars and Starches
The most important part is to cut back on sugars and starches (carbs).

These are the foods that stimulate secretion of insulin the most. If you didn't know already, insulin is the main fat storage hormone in the body.

When insulin goes down, fat has an easier time getting out of the fat stores and the body starts burning fats instead of carbs.