There's so much evidence, you really have to actively close your eyes to not find it. But if you actually don't know how to search for these things, see this me

There's so much evidence, you really have to actively close your eyes to not find it. But if you actually don't know how to search for these things, see this meta-analysis of 25 studies for example: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7958062/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7958062/