Confused about whether cardio or weights is better for losing fat? Discover what the latest research says about burning fat, preserving muscle, and improving your health.

Here's how Zone 2 cardio works and whether there are any real benefits of getting ... in the zone ... with this fitness trend.

Zone 2 cardio is the latest exercise trend, and it's based on the longstanding notion that keeping your heart rate within a specific range can help you get more out of a workout.

Zone 2 cardio is the latest exercise trend, and it's based on the longstanding notion that keeping your heart rate within a specific range can help you get more out of a workout.

Zone 2 cardio is the latest exercise trend, and it's based on the longstanding notion that keeping your heart rate within a specific range can help you get more out of a workout.

Zone 2 cardio is the latest exercise trend, and it's based on the longstanding notion that keeping your heart rate within a specific range can help you get more out of a workout.

Zone 2 cardio is the latest exercise trend, and it's based on the longstanding notion that keeping your heart rate within a specific range can help you get more out of a workout.

Zone 2 cardio is the latest exercise trend, and it's based on the longstanding notion that keeping your heart rate within a specific range can help you get more out of a workout.

Zone 2 cardio is the latest exercise trend, and it's based on the longstanding notion that keeping your heart rate within a specific range can help you get more out of a workout.

Zone 2 cardio is the latest exercise trend, and it's based on the longstanding notion that keeping your heart rate within a specific range can help you get more out of a workout.

Zone 2 cardio is the latest exercise trend, and it's based on the longstanding notion that keeping your heart rate within a specific range can help you get more out of a workout.

Both traditional and less conventional risk factors contribute strongly to the risk of cryptogenic ischemic stroke in adults younger than 50 years, but their relative importance varies by the presence ...