Eating foods containing trans fats (hydrogenated) can make you feel depressed. In lieu of processed foods, choose to eat fresh fruits and vegetables, such as those you can find at a farmers’ market.

Small things like picking up litter or creating communal gardens can help to make your local area a nicer place to live for everyone. Why not join a clean-up group or create your own.

You can trick your brain to feel happy with a very easy exercise: Just smile. Don’t believe it? Try it. This result is due to neuro-linguistic programming, where an “anchor” or trigger (in this case a smile) cues the brain to feel the same feelings it had the last time those muscles were used.

The best ways to support local businesses is to spend money with them. You can also like and follow them on social media, share positive reviews online and tell friends about them.

If you have difficulty sleeping, caffeine could be the culprit. Try cutting back on caffeinated drinks, and limit yourself to drinking them early in the day. And if that doesn’t help, try cutting out caffeine altogether.