Birds, Bears, and Turtles

Yazmin

For your information.

"......With overdiagnosis, we often end up ‘curing' cancers that didn't need to be cured in the first place," said Dr. Barry Kramer, director of the NIH Office of Disease Prevention and an expert on cancer screening...... 

http://www.cancer.gov/ncicancerbulletin/102009/page6

According to this theory:

Birds: Fast, aggressive turmors

Bears: Slow-moving tumors

Turtles: Stationary, non-progressive tumors