Why does it matter if I eat healthy?

Have you ever felt like you just weren't on your A-game? With all the stresses from life pressing in on you, it can be hard to get the nutrition you need to keep your body ready for what life has to throw at you.

Results from healthy eating are not always immediate, but are evident after years of either good nutrition or bad treatment. One of my favorite examples of bad nutrition in a developed country is shown in Supersize me:




About.com offer some ideas of basic reasons we should eat healthy, including the facts that good nutrition:

• provides energy so you can do the things you want to do
  
• provides raw materials-- i.e. amino acids for creating
  
• provides the vitamins you need

What are some great reasons you find for eating well? Tell us how it makes you feel?