A doctor has shared a simple exercise he claims helps tighten and flatten your stomach - and it's not sit ... Dr Berg said: "Do this every day, and within one to two weeks, you will start to ...

Yes, this is one of the answers to your "how to have a flat stomach in 10 days" question. Using smaller plates and measuring cups for eating, checking labels for nutrient content, eating slowly ...

A doctor has shared a simple exercise he claims helps tighten and flatten your stomach - and it's not sit-ups ... Dr Berg said: "Do this every day, and within one to two weeks, you will start to see ...