optimism associated with longer life spans and a greater chance of living past 90. In another study, published in May in JAMA Psychiatry, she and other researchers said optimists generally maintained better physical functioning as they aged
Some people are born more optimistic but it can definitely be learned
Full article:
https://www.seattletimes.com/seattle-news/health/optimism-is-just-what-the-doctor-ordered-but-what-if-im-already-too-negative/
Experts say a standard for measuring someone’s relative optimism has long been the 10-question Life Orientation Test-Revised, published in 1994. (Sample question: On a scale of 1 to 5, respondents are asked how strongly they agree with the statement, “In uncertain times, I usually expect the best”?)
You can take the life orientation Test- Revised (LOT-R) here: Life Orientation Test, LOT-R