Being a grown-up comes with its share of issues – especially when it comes to your health. After 40, your body takes a drastic turn when muscle building becomes slow, and fat burning is non-existent.

For Mohit Sachdeva, 40, July 9 began like any other morning a Delhi realtor from Lajpat Nagar. For the past 20 years, he’d hit the gym at 7:15 am without fail. But that morning, everything changed. By ...