- 10 – Artificial Sweeteners

Thought artificial sweeteners were the answer to cutting sugar? Think again, substances such as aspartame are actually not proven to assist weight loss and actually increases risks of developing cancer.
- 11 – Alcohol

Once digested, alcohol transforms into acetaldehyde, a toxic chemical. Said substance can not only damage DNA, but prevents the cells from recovering from it. You can still enjoy the occasional drink, but avoid overdrinking on a regular basis.