How well do you remember what's actually in the Affordable Care Act?
Last week's Supreme Court decision upholding President Obama's signature domestic achievement has thrust the measure back into the spotlight, where it's likely to remain through the presidential election.
Is a calorie just a calorie? Science writer Gary Taubes says no. In a study published last week in the Journal of the American Medical Association, diet researchers reported that patients on a low-carb diet kept weight off longer than those on a low-fat diet, re-introducing a long-standing debate.