The Nobel Prize in Physics is awaiting Judy Hodgson's diet guru, Dr. Robert Lustig, if he can back up, "There goes the First Law of Thermodynamics, right out the window ..." ("Obesity — How'd THAT Happen?" Jan. 22).
To the best of my knowledge, the First Law is still safe and sound, however, and if you eat more calories than you burn, you gain weight.
Maybe hold off buying those tickets to Stockholm just yet.
— Barry Evans, Eureka