Your best body. The dream job. Whatever you want most you make it happen. Your happy life starts here, today. How you feel about your body affects your outlook on the world. Learn more about how your body image and self-concept can help -- or hinder -- your self-esteem. Be a Cardio Queen. Just one 45-minute high-intensity workout can help increase your RMR by 37 percent for up to 14 hours post-exercise. As you age, you start to lose some muscle mass. Lifting weights helps you maintain and build on what you have, so your metabolism stays high. Losing weight and diets can be hard. But they don’t have to be if you have healthy diet plans available to help you decide which weight loss plan is right for you. Regular snacking is vital to a healthy and active lifestyle. Fitness-friendly snacks should be quick, delicious, and balanced to satisfy your exercise and nutrition needs. Active women should aim for snacks in the 100- to 200-calorie range and up to two snacks a day between meals to keep your energy levels steady all day long.