[Podgajski]

Here is the science. You are mentally lazy.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7892233/

Further, whole-body resistance exercise increased oxidative damage. For example, resistance exercise at a 10-repetition maximum load increases the MDA level in the blood [19]. Furthermore, local resistance exercise, which is a single type of resistance training in a specific muscle group, can increase oxidative damage.