As if the thinkers here didn't already know it- and now it's quite obvious.
https://twitter.com/i/events/1509536205725085700
Published in the New England Journal of Medicine, peer-reviewed, randomised and double-blind.
Read the thread and look at the evidence. It's all laid out there for you. Link to the paper here:
https://www.nejm.org/doi/full/10.1056/NEJMoa2115869
