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[–]Canbot 2 insightful - 1 fun2 insightful - 0 fun3 insightful - 1 fun -  (1 child)

You can't prove it's harmful if there is no control group.

[–]iamonlyoneman[S] 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (0 children)

There is a control group. I know because my family and I are in it.