Ian Denis Johnson

Opinion writers weigh in on these health care topics and others.

Neither low-fat nor low-carbohydrate diets on their own increased the risk of death, however, unhealthy food choices in each make a small difference.

Under war-like circumstances, history shows there is a very fine line between protecting citizens and eroding rights — and that line can be exploited or extended in times of great uncertainty.

It's about total social mobilization. And America excels at that.

As the death toll tops 1,100, there are still more questions than answers.