Impact of Intermittent Fasting on the Mental Health of Perimenopausal Women

Inclusion Criteria: * Participants eligible in this study will be women between the ages of 45 and 55 who are in the perimenopausal stage as defined by the STRAW criteria and confirmed using the Menopausal Rating Scale (MRS). Exclusion Criteria: * Currently using hormone replacement therapy * Diagnosed with severe medical conditions that could interfere with fasting, including uncontrolled diabetes, heart disease, hypertension, cancer or kidney disease * Have a current formal mental health diagnosis as defined by the DSM-5, regardless of whether they are receiving medication or therapy * Experiencing any form of dementia * Have undergone surgical menopause, have premature ovarian failure, are currently undergoing chemotherapy or radiotherapy, or are ovarian cancer survivors * Are currently pregnant. undergoing treatment for endometriosis, have significant thyroid disorders, or are on any form of hormone therapy * Do not speak English * Participants who score greater than 0 on question 9 of the PHQ-9 (including suicidal ideation) will be removed from the trial and provided with mental health referrals to NGOs for support.