How to use it
Under threat you hold your breath, your shoulders rise and the next words come out louder than you mean. Before you answer: one slow conversational breath, shoulders down. Then speak. Silence can never be misquoted.
How sure we are
S Evidence: strong. Large trials or many studies, pointing the same way.
E Evidence: built from practice. What works for coaches and practitioners. Labelled that way.
Sources
Slow breathing raises heart-rate variability (Laborde et al. 2022, meta-analysis, 🟢, see 99) · "let your breath be the first word": Jefferson Fisher (🟠).
Not medical, legal or financial advice.