Evidence indicating that use of antidepressants is associated significantly with an increased risk of developing dementia:
Wang, YC. Tai, PA. [and] Poly, TN. [et al] (2018). Increased risk of dementia in patients with antidepressants: a meta-analysis of observational studies. Behavioural Neurology. July 10th 2018; 5315098.
Possibly of interest:
Jump in antidepressant prescriptions in England. London: BBC Health News, March 28th 2019.