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Yawning involves opening the mouth involuntarily while taking a long, deep breath of air. This is usually done as a result of drowsiness or weariness. Excessive yawning is yawning that happens more often than would be expected, even if drowsiness or weariness is present.
Review Date:
1/18/2007
Yawning involves opening the mouth involuntarily while taking a long, deep breath of air. This is usually done as a result of drowsiness or weariness. Excessive yawning is yawning that happens more often than would be expected, even if drowsiness or weariness is present.
Review Date:
2/22/2009
Yaws is a chronic infection caused by the bacteria Treponema pertenue, which primarily affects the skin, bones, and joints.
Review Date:
11/27/2006
Yaws is a long-term (chronic) infection that mainly affects the skin, bones, and joints.
Review Date:
8/1/2008
Review Date:
11/9/2007
Review Date:
11/9/2007
Yellow fever is a viral infection transmitted by mosquitoes.
Review Date:
11/1/2007
Yellow fever is a viral infection transmitted by mosquitoes.
Review Date:
11/1/2007
This is poisoning caused by eating pieces of the Yew plant.
Review Date:
3/21/2006
The Yew plant is a shrub with evergreen-like leaves. Yew poisoning occurs when someone eats pieces of this plant.This is for information only and not for use in the treatment or management of an actual poison exposure. If you have an exposure, you should call your local emergency number (such as 911) or the National Poison Control Center at 1-800-222-1222.
Review Date:
10/13/2009