How to take the perfect breath: why learning to breathe properly could change your life

We take in 23,000 breaths a day, but few of us know how to breathe well. It is claimed that ‘breathwork’ can help improve our sleep, digestion, immune and respiratory functions, while reducing our blood pressure and anxiety. All of which, in the midst of a pandemic, sounds more appealing than ever. Emine Saner investigates for the Guardian.