Here is a fun example of a randomized controlled trial from the British Medical Journal: Parachute use to prevent death and major trauma when jumping from aircr

Here is a fun example of a randomized controlled trial from the British Medical Journal: Parachute use to prevent death and major trauma when jumping from aircraft: randomized controlled trial https://www.bmj.com/content/363/bmj.k5094 https://www.bmj.com/content/363/bmj.k5094