Cover Story

Aortic aneurysm

Watching a weakened artery

An aneurysm occurs when one or more areas along the wall of the aorta become weak or damaged.

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Featured Article

Second Opinion

Do cat scratches pose particular risks?

A: "Cat Scratch Fever" is more than a rock-and-roll song. A bite or scratch from a cat carries particular risks, and infection is common. Cat-scratch disease is a specific type of bacterial infection that occurs when a cat bites or scratches hard enough to break the skin's surface or... Read More

Do you recommend a ketogenic diet to lose weight?

A: For most people, no — particularly if they're trying it without medical supervision. A ketogenic diet greatly restricts carbohydrate intake to fewer than 50 grams a day. It keeps protein intake modest, but allows you to eat as much fat — preferably from healthier fat sources such... Read More

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