Sunday House Call, #668,  September 23, 2018: I want my junk food NOW!

Topics today include:

News reports about an observational study on junk food withdrawal symptoms being similar to that experienced when quitting drugs cannot in any way show cause and effect.

Are e-cigarettes less harmful than cigarettes? The Economist publishes a good review.

Your calls about:

• Vegan diets
• Vitamin D dosing
• Repetitive strain injuries of the shoulder and elbow
• Blood clots