The hard work you put into a good workout isn't always reflected in the mirror, but it is 100 percent seen in your outlook on life. So if you decide to set aside all of your other New Year's resolutions, make sure this one definitely doesn't get set aside!

There are several scientific studies that show how people who are clinically depressed get exceptionally better just by working out a few times a week. Or for people that were depressed in the past, it helps prevent them from having a relapse. When you exercise it changes the activity patterns in your brain to boost feelings of calmness. Along with all of the chemical changes it creates in your brain, it gives you a chance to just take a break from your stressful life. It distracts you from everything you've been worrying about all day and gives you time to focus on your well-being.

If you're someone who struggles with anxiety, you have experienced the awful feeling when your anxiety just cripples you inside. Sure there are several medicines you can take, but those take some time before they start working. Exercising is a way to feel instant relief from anxiety- all of your tension and stress will be lightened on the spot.

Not only does working out help better anxiety and depression, but it also helps with mental alertness. It releases endorphins that let you concentrate more easily and be more prepared for harder tasks. You will find yourself feeling more energized even on days you don't work out. Even if you're feeling exaughsted, know that a small workout is better than no workout. Your mind will thank you.