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One of the key findings is positive thinking can increase serotonin. “Self-induced changes in mood can influence serotonin synthesis.”

For those interested in a practical approach to positive thinking, check out “How Full is Your Bucket” by Tom Rath and Donald Clifton [1]. They discuss the 5:1 ratio of positive to negative interactions and how it’s the key to a happy relationship [2].

[1] https://www.amazon.com/How-Full-Your-Bucket-Rath/dp/15956200...

[2] https://www.gottman.com/blog/the-magic-relationship-ratio-ac...

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