India, Dec. 2 -- Most of us have been on that frustrating rollercoaster where weight seems to jump up and down constantly, one week you're disciplined with meals and workouts, the next week life throws you off track. While many brush it off as normal, repeated weight gain and loss can actually affect your body in ways you might not expect.

Celebrity fitness trainer Vinod Channa, who helped Anant Ambani and Nita Ambani with their weight loss journeys, explains in his November 21 Instagram post whether this cycle of fluctuating weight is really healthy and what it does to your metabolism, muscles, and overall health. (Also read: Mini Mathur shares the 'most important health hack' for real weight loss and it's not dieting )

"How does this ...