Once reputed to be effective for killing werewolves, modern day silver bullets are seemingly magical solutions to complex problems. However, most of the time you see “silver bullet” in print it is in the negative as “XYZ is not a silver bullet against [fill in the blank].” And, in a double irony, according to tests run by ballistics experts, silver bullets aren’t even silver bullets. They tend to travel slower, with inferior target penetration, and are less accurate than conventional lead projectiles. That’s why I had to smile at the recent headline from MedPageToday—”OmniCarb Study: Cutting Carbs No Silver Bullet.”...