A fitness trainer shared 5 tips on how to achieve a flat tummy. From avoiding sugary drinks to a caloric deficit diet, here's how you can lose belly fat.

While some studies suggest probiotics may help you lose weight and belly fat, more research is needed on their effectiveness.

This 10-minute cardio workout guided by AARP fitness expert Denise Austin will burn calories, focus on the core muscles and tone abdominals. This 10-minute cardio workout guided by AARP fitness expert ...