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The Special Topics Medical Dictionary J-L provides comprehensive, reliable definitions for specific medical topics. Whether you are interested in jet lag prevention, kidney disease, or leukemia, learn what medical terms mean, see images and get related information on various aspects of health and wellness.

Featured Article:  Jet Lag Prevention

Jet lag, a sleep disorder caused by changing time zones, can be prevented by a few methods. Learn about jet lag prevention tips, methods and information. See more »

Lymph System

The lymph system is a network that produces and transports lymph from tissues to the bloodstream. Learn about lymph system functions, organs and information.

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