This is an anatomical study made by Pontormo (Jacopo Carucci) in 1550. The study was done in black chalk on paper and is kept at the (amazing) Galleria degli Uffizi in Florence. A larger version, as well as images of other works by Pontormo, is available at the Web Gallery of Art.
‘Cyclic sighing’ can help breathe away anxiety
Stanford Medicine researchers showed that five minutes a day of breathing exercises can reduce overall anxiety and improve mood.
Runaway immune reactions cause long COVID breathing problems
Researchers at Stanford Medicine have investigated the mechanism of pulmonary fibrosis caused by long COVID.