Every week, Dr. Roizen discusses the latest health headlines YOU need to know.In this episode, Dr. Roizen talks about the latest health headlines that YOU need to know, including the following topics:  Prolonged and intense exercise works as a weight loss strategy.  Four vaccines your teen (and you) need. People with blood pressure fluctuations are twice as likely to develop dementia. DEA considers cutting allowance of certain opioids.  Does less sleep make you less healthy? A new study shows the direct effect of getting less than seven hours of sleep in development of visceral fat. High-fat diet is linked to lung cancer risk. PLUS so much more... Bonus! 4 Fruits That Are Actually Hidden Sugar Bombs