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“Shape-Memory” Stents Fight Strokes
Nitinol tubes expand, with body heat, to keep carotid arteries open.

Anti-Angina Drug Shifts Heart Muscle’s Fuel Use
Compelling the heart to burn more blood sugar and less fat appears to boost cardiac efficiency.

Eat Right — and Take a Walk — to Fight Diabetes
New guidelines honor patients’ tastes, but stress value of modest weight loss and exercise.

“Peace-of-Mind” Screening Tests: Worth the Out-of-Pocket Costs?
CT scan results may motivate some into healthier habits, but alarm others unnecessarily: Beware the “false positive.”

New Gene Research Finds Clues to Explain Why Some Die Young
But one gene variation appears to offer cardiac protection.