New Harvard Study: How Optimism Helps Your Brain Stay Healthy
By Bill Murphy Jr.
Published on May 4, 2026.
A new study by the University of California has found that optimism can be a key to maintaining a healthy mind. The author's weekly newsletter feature, "Big Optimism," aims to identify remarkable moments in history that can inspire people to become more optimistic. It is believed that these days can be found out when a contaminated petri dish was left on the ground, which led to the discovery of penicillin.
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