Tails up, Pessimists - controlling just 5 genes may turn one an optimist

Interesting research seems to hold out hope for pessimists. Studies on identical twins with opposing attitudes indicate that it may all be in the genes. Five genes in the hippocamus.
Researchers are optimistic of finding ways to switch these on to control attitudes.
I being rather pessimistic am keeping my fingers crossed. Wait and see is the word - a favorite pessimist's pastime along with the accompanying procrastination.

<a href="https://www.bbc.co.uk/news/magazine-23229014" target="_blank" rel="nofollow noopener noreferrer">Can science explain why I'm a pessimist? - BBC News</a>