India, March 19 -- Prime Minister Narendra Modi, at 74, continues to impress with his energy and good health. His disciplined fasting routine, which he has followed for over 50 years, plays a key role. In a candid conversation with US-based podcaster and AI researcher Lex Fridman, Modi shared insights into his fasting schedule and how it has shaped his lifestyle. (Also read: Katrina Kaif's trainer Yasmin Karachiwala shares her ultimate workout routine to achieve that perfect Bollywood body )

PM Modi shared that he follows the ancient Indian tradition of Chaturmas, a four-month-long fasting period starting in mid-June until after Diwali. "During this time, I eat only one meal within 24 hours," he said, explaining how digestion tends to sl...