Great video addressing foods I too suggest Not be in a healthy diet.
Please watch (it's under 5 minutes) to see the "whys".
1. Luncheon Meats
2. Diet Sodas
3. Margarine & Transfats
4. Shellfish - didn't explain why
5. Junk Food & High Fructose Corn Syrup
6. MSG (Mono Sodium Glutimate)
7. Chlorine & Fluoride
8. I believe drugs were the last few