India, Feb. 4 -- Zerodha's Nithin Kamath has revealed the biggest takeaway from age-reversal millionaire Bryan Johnson's appearance on his brother Nikhil's WTF podcast. Kamath said that before Johnson left the podcast over health concerns the US millionaire debunked a myth that he had once believed in.

"The biggest takeaway for me after meeting @bryan_johnson was debunking the myth I once believed: that only Delhi in India has an air quality problem and that it occurs only in winter," he said in post on Instagram.

Kamath shared that the podcast episode was recorded in a sea-facing apartment in Mumbai's Bandra, yet the AQI indoors was over 160. "If the AQI was this high in Bandra, just imagine the levels in the more crowded parts of the ...