In his new book 100 Rules for Living to 100: An Optimist's Guide to a Happy Life, actor Dick Van summarizes his most important advice for a long life. And his main rule?
“Don’t be angry.”
But is it really that simple?
What does science say about optimism and longevity?
Optimism and Longevity: What the Science Shows
A large study from Boston University shows that optimists don’t just feel better – they live longer:
Key findings:
1. People with the highest degree of optimism are 50% more likely to achieve “exceptional longevity” (85+ years).
2. Optimism is linked to a 35% lower risk of heart attack and major cardiovascular events.
3. Optimists tend to have better health habits:
– less smoking
– more stable weight
– more exercise
– better stress management
Living the Rules
Dick Van himself mentions these very factors:
He quits drinking and smoking,
exercises three times a week,
prioritizes social relationships,
and surrounds himself with younger people who keep him active and mentally engaged.
Happiness as a Biological Advantage
A new study published in Frontiers in Psychology (2025) shows that people who experience more happiness in everyday life have a lower risk of dying from chronic diseases, including cardiovascular disease and certain cancers.
The researchers describe happiness as a biological protective factor with a measurable effect on:
– inflammation
– metabolic regulation
– immune function
– blood pressure
The Takeaway
In other words:
Emotional well-being and actual health are tightly integrated.
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