Enrolled in the Childhood Cancer Survivor Study (a cohort of 5+ year survivors of childhood cancer diagnosed at age \< 21 between 1970-1999 at 31 participating institutions in North America)
Are ≥18 years old
Self-reported body mass index ≥ 25 kg/m2
Are not pregnant or do not intend to become pregnant in the next year
Stable weight over the past 3 months (+/- 10 pounds)
If on oral medication for insulin resistance (ie, metformin), elevated blood pressure, or dyslipidemia, medication dose must be stable (ie, unchanged \> 3 months)
Have internet access (can be via smartphone or computer). If neither device is available, the study can loan participants a Wi-Fi enabled device.
You may not be if
Do not reside in the United States
Do not speak English
Eating window \< 12 hours per 24-hour day
On insulin or GLP-1 agonist
Diagnosis of type 1 diabetes mellitus
Enrolled in a formal weight management program or other weight loss trial
History of an eating disorder
Clareo Health | A Study of Time-Restricted Eating in Childhood Cancer Survivors