Indirectly related to class, and worth looking at, especially if you are interested in anything to do with health and medicine:

• Is 3 a large enough sample size?
• Alchohol in any amount is bad
• Is asprin good or bad?
• A great article on your immune system and general health
• Sugar is really bad
• Do diet drinks help you lose weight?
• Vitamin E slows Alzheimer's progression
• Exercise vs. eating at McDonald's
• Best ad of 2013: "Giving"