The best foods to eat are vegetables & fruits.
The best places to get them are:

1. Garden & Farm
2. CSA's & Farmer's Markets
3. Wholesale Produce Markets
4. Organic Grocers
5. Everywhere else.

A list of vegetables & fruits to buy organic and which to buy non-organic:
http://www.ewg.org/foodnews/list/

All about gardening & raw food with John Kohler!:

Gardening
http://www.youtube.com/user/growingyourgreens
Raw Food
http://www.youtube.com/user/okraw

Here is a list of foods (fibrous carbs, starchy carbs, fats, and proteins) showing which ones are healthy and which are not.

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Understanding what's going on.

Step 1: Make a routine that you follow daily in order to make good habits and break bad ones.  Each breakdown is access to a breakthrough.  That is why even with knowledge one must have discipline & an open mind in order to find access to many things in life.

Step 2: Eat healthy, because your body needs energy to grow.  Proteins, carbohydrates, fats, fruits, nuts vegetables, vitamins & minerals.

This is a great book to learn to cook.

Step 3: Exercising is painful and requires suffering, yet it enables us to function in all we do & look healthy.  Without it we think and feel differently.

Step 4: Go to bed.

Others: do yoga, juice, blend or chew vegetables, grow sprouts, raised garden beds