Eating well is expensive

Per calorie, healthy food is much more expensive than junk food.  According to the New York Times, you can eat junk food for $1.76/1000 kcal but $18.16 per calorie for more healthy food.  They assumed healthy food meant fruits and vegetables and junk food was the prepackaged snack like food.

Does Coke hurt your bones?

Here's a great humorous post on what a coke does to you.  It talks about the effects of the sugar, the caffeine and the phophoric acid.  What Happens To Your Body If You Drink A Coke Right Now?  But it's not accurate.

Too much phosphorus can cause you to excrete calcium.  However, a can of coke only has 41 milligrams of phosphorus - the daily recommended intake of phosphorus is 700 mg for a woman.  To put it in perspective, a glass of skim milk has 235 milligrams!  For more information, see this Tufts article.  So it's highly unlikely that coke is causing you to lose bone mass unless you are drinking a case a day.