Buttermilk vs Lassi: Which keeps you cooler during extreme heat?

As summer temperatures soar across the country, the battle between India’s favorite curd-based drinks—Buttermilk (Chaas) and Lassi—heats up. While both are refreshing, experts suggest that one is significantly better at hydrating the body and preventing heatstroke. We break down the science of gut health, hydration, and why your choice of drink matters during a heatwave.