Rosie Lux
Yoga Teacher

Your lungs circulate over 11,000 litres of air every day. They allow you to speak, sing and smell, making them one of the most vital...

When people have chronically low levels of CO2, as happens with hyperventilation, smooth muscle is consistently wound tight, making it...

In biology I learned that we need oxygen, and carbon dioxide (CO2) is a waste product of respiration (and if you’re feeling generous, to...