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The ways we habitually sleep, walk, or sit (for example, walking with our heads forward or standing with our knees locked) can cause misalignment. Trauma, physical strain from overexertion, or holding one position too long, or muscle tension from mental and emotional stress, can cause pain or restrict motion.

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Our Bodies, Ourselves: A New Edition for a New Era
America's best-selling book on all aspects of women's health With more than four million copies sold, "Our Bodies, Ourselves" is "the" classic resource that women of all ages can turn to for...
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.