those with better resources, health, outlook, and functioning are more able to work as volunteers the center has a self-interested motive to attract new volunteers growing older might not necessarily result in a change in mental outlook some of those who do not volunteer might be older than some volunteers and so could not be considered their peers
Newsletter for community-center volunteers: Retired persons who regularly volunteer their time to help others generally display fewer and milder effects of aging than their nonvolunteering contemporaries: in social resources, mental outlook, physical health, economic resources, and overall functioning, they are found to be substantially stronger than nonvolunteers. Volunteering is often described as doing good works to improve the lives of others. How good to know that there is evidence that it can equally benefit your own well-being!
The inference drawn above is unwarranted because