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This Is the Best HIIT Workout, According to Science: Tackle this treadmill HIIT workout three times a week for the next six weeks to up your cardiorespiratory fitness. | Health.com This Is the Best HIIT Workout, According to Science: Tackle this treadmill HIIT workout three times a week for the next six weeks to up your cardiorespiratory fitness. | Health.com

Dumbbells allow you to pack cardio and strength training into one killer full-body workout. Here, we share five exercises to try with this versatile piece of gym equipment. Dumbbells allow you to pack cardio and strength training into one killer full-body workout. Here, we share five exercises to try with this versatile piece of gym equipment.

The Scary Truth About Leaving Water In Your Car | A new study suggests that time in the sun could release harmful chemicals in plastic bottles. The Scary Truth About Leaving Water In Your Car | A new study suggests that time in the sun could release harmful chemicals in plastic bottles.

How to get a faster metabolism at any age. The secret? Eating more often, sleeping longer, and spending less time working out. | Health.com How to get a faster metabolism at any age. The secret? Eating more often, sleeping longer, and spending less time working out. | Health.com