Exercise in Perimenopause to Improve Cognitive Health

Inclusion Criteria: * Are biological females, as assigned at birth * Are aged between 40 and 55 years * Had at least 1 menstrual period in the last 10 months * Are perimenopausal based on STRAW +10 Staging System, or answer "yes" to MQ6 questions of changes in periods, having hot flashes, or vaginal dryness, pain, or sexual concerns * Have an intact uterus * Have a Montreal Cognitive Assessment (MoCA) score \>26/30, indicating normal cognition * Have subjective cognitive complaints defined as responding "yes" to "Do you feel like your memory or thinking is becoming worse?" * Completed high school education * Read and speak English with acceptable visual and auditory acuity * Are able to safely engage in moderate-intensity PRT as indicated by the PAR-Q+; and * Are able to provide informed consent. Exclusion Criteria: * Are engaged in regular PRT (i.e., 2x/week) in the prior three months * Are diagnosed with cognitive impairment or dementia of any type * Are at high risk for cardiac complications during exercise * Have clinically important peripheral neuropathy or severe musculoskeletal or joint disease that impairs mobility * Are taking medications that negatively affect cognitive function, such as anticholinergics, major tranquilizers, and anticonvulsants * Have a BMI \<15 or anorexia nervosa; g) had surgical menopause * Had endometrial ablation that resulted in the loss of menstruation * Have polycystic ovarian syndrome * Currently undergoing chemo * Are using estrogen-containing contraception in the last 12 months * Had premature ovarian failure; or * Are already enrolled in a drug or exercise trial