That doesn't mean you have to quit the gym if, like Dennis Quaid, you're a total gym junkie. Another recent study found that longer, less strenuous workouts are more effective in prolonging longevity than high-intensity cardio. The study is also interesting in light of recent research on the type of exercise that the elderly should focus on in order to extend their lives. The study showed women 75-84 years of age are three times as likely to have heart failure compared with women 65-74 years old. As a woman's age increases, so does her risk for heart failure– a condition in which the heart becomes too weak to continue pumping blood.

And yet, studies show that only around half of women are aware of its dangers. Heart disease continues to be the number one killer among women in America, claiming the lives of approximately 500,000 women a year. Essentially, we can reach a comparable energetic expenditure through walking that we gain from other types of physical activity.' 'Our analysis shows walking is not only an accessible form of exercise but almost equal to all different types of exercise that have been studied before in terms of lowering heart failure risk. 'We already know that physical activity lowers the risk of heart failure, but there may be a misconception that simply walking isn't enough,' he added. 'The results show that even obese and overweight women can still benefit from walking to decrease their risk of heart failure.' ae0fcc31ae342fd3a1346ebb1f342fcb 'We actually looked at women with four different categories of body mass index (BMI) and found the same inverse relationship between walking behavior and the risk of heart failure,' Somwail Rasla, MD, a cardiology fellow at Saint Vincent Hospital, said in an ACC newsletter. It's also not necessary to power walk moving at an average to fast pace is enough to reap all the necessary benefits.

The comprehensive study, which analyzed the correlation between walking and cardiovascular health among 89,000 women over 50 over more than a decade, found that the benefits of walking were consistent regardless of a woman's weight or other forms of exercise.

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