Bierman A, Lee Y, Penning MJ. Mental Health Benefits and Detriments of Caregiving Demands: A Nonlinear Association in the Canadian Longitudinal Study on Aging. J Aging Health. 2023 Jun;35(5-6):392-404. doi: 10.1177/08982643221125258. Epub 2022 Sep 14. PMID: 36112750.