A biologist writes
While it has been shown that limited areas of the brain do spawn new neurons in adult life they in no way 'grow a brain', they more patch it. Superhero fiction apart mutations affect your offspring. In you they either kill cells or spawn cancers or make cancers more nasty and invasive and drug resistant.
Whether you think getting cancer might benefit the influencers, the type has been known to fake cancer for the extra clicks so perhaps not.
Biting the hand that feeds IT
