India, May 4 -- If you're between the age of 25 and 45, the window to future-proof your gut health is officially open - and it's a window you don't want to miss. Everyday habits like poor eating patterns, stress, lack of sleep, and inactivity can quietly affect digestion and increase the risk of long-term health issues over time.

Dr Saurabh Sethi, Harvard and Stanford-trained gastroenterologist and hepatologist, shares in his May 4 Instagram post the key lifestyle changes to start now before serious digestive issues begin showing up later. (Also read: Health coach says 'eating the same breakfast daily' helped him get abs at 46 and drop to 12% body fat )

"Your brain and body recover during sleep," said Dr Sethi, adding that hormones, met...