India, Sept. 17 -- When we turn 30, the body gets a setback, as the diet and workout that worked in the 20s, start showing slower results. In an interview with HT Lifestyle, Dr. Arush Sabharwal, bariatric and metabolic surgeon at Surgical Centre for Obesity and Diabetes Clinic said, "If you feel that this is just in your mindset, it's not true. After you turn 30, your body's metabolism actually begins to slow down due to changes in muscle mass, hormones and lifestyle." Also read | 10 foods to increase metabolism and speed up weight loss

However, the good news is that with the right lifestyle and diet, metabolism can be improved in your 40. Here are a few tips suggested by the surgeon:

Protein in diet keeps you full for a longer time and...