Inclusion Criteria:  Age 45 - 75 years old of age Fluent in English Employed in the Northwell Health system Community-dwelling Report they are in good general health, walk regularly and have never been informed by a clinician that it was not advisable/safe to participate in a low-intensity walking program Owns and can regularly access a smartphone capable of receiving text messages Owns and can regularly access an e-mail account  Exclusion Criteria:  < 45 years old or > 75 years old Unable to speak/comprehend English Not employed in Northwell Health system Have self-reported poor health, limited mobility and/or have been advised by a clinician not to increase their low-intensity walking Pregnancy Previous diagnosis of a serious mental health condition or psychiatric disorder, such as bipolar disorder