Why do i get hungry 1-2hours later after eating a meal? im a 19yr old female. petite. 143lbs, 68inches tall.

Short : Short answer is that you likely have a high metabolism and thats why you get hungry so fast. There are other factors involved. If you eat fruits and veggies those are digested faster and you get hungry quicker. However if you eat pasta, that tends to be filling for longer periods of time. Also protein fills you up faster. You should also have a yearly history and physical with your doctor, so other factors that may be related to this issue can be uncovered. Good luck.

Poor food choices? : Certain foods like carbohydrates fill you up but the satiety does not last. Balanced meals with protein and fat and carbs will help you feel full longer and not overeat. You

Some basics: If you consume carbs like breads/sugars/white potato/rice it triggers a quick rise in blood sugar & rapid insulin response, driving the blood sugar down & making you hungry. If you consume proteins (meats, vegies) or fats there is slower insulin response & less appetite drive. Satiety is a complex interplay between your dietary choices the bodies response.