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Twin to twin Transfusion Syndrome (TTTS)

Twin-to-twin transfusion syndrome (TTTS) is a rare condition that occurs only in identical twins while they are in the womb. This animation explains the syndrome and how it is corrected.


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Macular degeneration

This animation shows the process of macular degeneration in the eye. The macula is the part of the retina that distinguishes fine details at the center of the field of vision. Macular degeneration results from a partial breakdown of the insulating layer between the retina and the choroid layer of blood vessels behind the retina. Macular degeneration results in the loss of central vision only.

What happens during obstructive sleep apnea?

Sleep apnea -- Watch this video to see how snoring and obstructive sleep apnea occur.

Celebrex: Use in Rheumatoid Arthritis and Heart Precautions

Use of Celebrex and other NSAIDs for treatment of rheumatoid arthritis and heart warnings

Ibuprofen: Pain Mechanism, Dose Safety and Drug Interactions

A brief discussion of mechanism of action, maximum doses and drug interactions for ibuprofen

How to use a dry powder disk inhaler

Watch this video to learn how to use a dry powder disk inhaler.

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