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what's inside: health

Health covers all aspects of human anatomy, diseases, conditions and treatments. Also find answers to your nutrition, fitness and pregnancy questions.

Anatomy

Anatomy

Anatomy covers the structure and functions of the body's organs and systems. Learn how these components work in harmony to sustain human life. See more »

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Biotechnology

Biotechnology

Biotechnology covers varied topics about heredity and modern medicine. Learn about hereditary illnesses, artificial blood, hearing aids, and more in this section. See more »

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Health & Illness

Health & Illness

The Health and Illness channel will help you learn about diseases, medical treatments and overall wellness including natural medicine and physical fitness. From head to toe, the health and illness channel has the information you need. See more »

Human Nature

Human Nature

Human Nature encompasses peoples' actions, perceptions, and thought processes. Topics include walking on glass, mind-reading, and contagious yawning. See more »

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Life Stages

Life Stages

Life Stages cover the phases and changes that occur during the human life cycle. From Birth and Infancy to Aging, know what to expect and how to thrive in each stage. See more »

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Medical Encyclopedia

Medical Encyclopedia

The Medical Encyclopedia - with more than 3,000 medical terms - from acne to X-ray, are defined in straightforward, easy-to-understand language with helpful illustrations. Learn how to manage your diabetes, how to treat poison ivy and what to expect during a biopsy. See more »

Sex & Reproduction

Sex & Reproduction

Sex & Reproduction are vital parts of the human life cycle. Topics include contraception options, reproductive anatomy, and pregnancy. See more »

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How Your Kidneys Work

The kidneys perform several important tasks. Learn about kidney processes and how the kidneys maintain water volume and balance and regulate blood composition.

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How Panic Attacks Work

Out of nowhere you feel absolute terror. Your heart races and you're frantic for your breath. Everything seems unreal. Are you losing your mind? No, you're having a panic attack.