evidence-based: the "PARACHUTE trial" ( real + satirical )
"Parachute use to prevent death and major trauma when jumping from aircraft: randomized controlled trial"
https://www.bmj.com/content/363/bmj.k5094
"Conclusions Parachute use did not reduce death or major traumatic injury when jumping from aircraft in the first randomized evaluation of this intervention."
Please read the context: https://blogs.bmj.com/bmj/2018/12/13/we-jumped-from-planes-w...