Robin Begin News Today

Promotes something called angio genesis. thats the process by where blood vessels from tumors actually grow. and they spread out through the tumors -- they allow the tumor to spread throughout the body. so low oxygen levels appear to have that adverse effect and lead to this increase. >> shepard: one study shows that patients were severe sleep apnea could be as much as five times as likely to die of cancer as people who breathe normally when they sleep. >> a high profile democratic has called ou...