By this, it means the body also breathes more toxic dust than in normal breaths." Breathing during three hours of outdoor exercise is equal to two days of normal breathing. Dr Phattarapon recommended that whenever the Air Quality Index (AQI) is above 100, people should consider refraining from outdoor exercise. While the virtual race can be a smart option, Dr Phattarapon said runners should see if it truly serves their needs. You cannot blame it on the organiser," Dr Phattarapon said.

Source: Bangkok Post February 11, 2019 23:03 UTC