All it takes is a simple smile to completely transform your face. Not only does it make you appear approachable and fun, but bearing pearly whites makes you look more attractive—after all, it is one ...
The 6-minute walk test for chronic obstructive pulmonary disease (COPD) is a fast and noninvasive way to measure your heart and lung function. If you have COPD, this test helps your doctor understand ...
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