Can milk cause gas, bloating and diarrhoea? Cardiologist Dr Vivek Veeram Reddy explains the signs of lactose intolerance

Cardiologist Dr Vivek Veeram Reddy explains that milk digestion depends on lactase enzyme production, which breaks down lactose.

Genetics and ancestry influence lactose tolerance: Northern Indians and Europeans often have lifelong tolerance, while South Indians have higher prevalence of lactose intolerance.

Symptoms of lactose intolerance include bloating, gas, abdominal discomfort, and diarrhoea after milk consumption.

Dr Reddy suggests that if milk causes these symptoms, it may indicate lactose intolerance and advises reducing or avoiding milk.