I like this tip a lot. I think being in contact with lots of my former classmates and other fabulous people I haven't communicated with in 20 or 30 years through Facebook has turned back my mental clock...in a good way. One great thing about being 56 is that I can be nostalgic about the '60s, '70s, '80s and '90s. I'll never run out of material to use to make myself feel young(er) again.
From CNN.com -
"Step back in time"
"Did you love punk rock music in college? Load some Sex Pistols tracks on your iPod. You might think that being so nostalgic would make you feel ancient, but research shows it can have the opposite effect.
In one study at Harvard University, people who were placed in an environment that resembled their youth -- with movies, music, and memorabilia from the past -- experienced marked improvements in their memory, vision, happiness level, and overall health.
'It shows that our mind-set is what limits us,' says lead researcher Ellen Langer, Ph.D., author of 'Counterclockwise.'
So do something that really takes you back (like re-reading your Anne Rice paperbacks!)."