Canceroptimism Share Tweet The tendency to believe that there is good in everything and to have positive thoughts about most things that happen.( OP-tih-MIH-zum )Source: NCI Dictionary of Cancer TermsSearch the Glossary of Medical Terms Previous: optical spectroscopy Next: oral NewsletterSign up for the QuackTrack.org newsletter below! Click to commentLeave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment *Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ QuackTrack on TwitterTweets by QuackTrack_org Trending Posts