Substance use disorders usually have their onset during the adolescent period. However. in rare cases environmental and psychosocial factors can contribute toward a later onset. We describe a case of an elderly male who initiated his heroin use for the first time at 65 years of age and eventually developed dependence. https://www.roneverhart.com/DigiWeigh-Notebook-Digital-Pocket-Scale-1000g-x-0-1g/