31 Days to Waking Up Happy for Life

7. Remember to #JustSayHello

It's a simple greeting, but science reveals that social interaction can help us live healthier, happier and longer lives. Join the campaign that demonstrates how a small gesture can make a big difference.

8. Get Your Heart Racing...and His, Too

Schedule an a.m. tryst, and you'll not only feel more vital and alive but also more bonded to your partner for the rest of the day. Testosterone levels are highest in the morning. Having sex then also boosts your levels of the love hormone, oxytocin.

9. Decorate Your Workspace with Help from Picasso

Stoke creativity by introducing hints of blue into your workspace. Researchers at the University of British Columbia's business school found that people who used computers with a blue background came up with more imaginative ideas, possibly because the color is associated with openness and serenity.

10. Snack on These Seeds

A study found that post-grad students whose diets regularly met or exceeded their RDA (recommended dietary allowance) for magnesium (320 milligrams for woman, or roughly half a cup of pumpkin seeds) were less likely to be depressed than students whose diets contained the least amount of magnesium. Plus, the seeds pack in tryptophan, an amino acid that aids the production of serotonin, a mood-regulating neurotransmitter.

11. ...But Definitely Not These Foods

No matter what's irking you—your partner's tap-tap-tapping foot, a snarky comment, a printer jam—the wrong type of popcorn may play a role in turning annoyance into full-blown rage. Other culprits can include: frozen pizza, crackers, canned frosting, coffee creamer...or anything else that contains high levels of trans-fatty acids (partially hydrogenated oils—see this list).