Apnea means “without breath” in Greek. Sleep apnea is a common and potentially serious condition in which a person's breathing stops or becomes very shallow during sleep. Each pause in breathing can last from 10 seconds to a minute and occur from five to as many as 100 times a night, and this can put people at increased risk for stroke and heart disease. Sleep apnea manifests itself in two forms: obstructive sleep apnea (OSA), in which throat muscles relax and enough air cannot flow into the lungs through the mouth and nose; and central sleep apnea, which occurs when the brain does not send correct signals to the muscles that control breathing. Nine out of 10 people with sleep apnea have obstructive apnea. Some researchers estimate that OSA is as common as diabetes or asthma. Continuous positive airway pressure, the most common treatment, is affordable and effective.
American Sleep Apnea Association (ASAA)
Devoted to reducing disability, injury, and death from sleep apnea and offers resources and support groups.
An overview of sleep apnea, tips on living with the disorder, educational videos, and links to finding specialists.
Frequently asked questions.
Diseases and Conditions Index
A comprehensive look at the causes, signs/symptoms, and treatments of sleep apnea, from the National Heart and Blood Institute.
MedlinePlus Health Information
A wealth of resources on sleep apnea, including recent news articles, clinical trials, and treatment recommendations.
National Center on Sleep Disorders Research
Educational materials, mailing lists, and a sleep IQ quiz.
National Sleep Foundation
Find a sleep center, ask a sleep expert your questions, take quizzes, and join a sleep advocacy community.
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Fragile X is a family of genetic conditions caused by gene changes in the same gene, called the FMR1 gene. Fragile X can be passed on in a family by individuals who have no apparent signs of the condition. In some families a number of members appear to be affected, whereas in other families a newly diagnosed individual may be the first to exhibit symptoms.
FRAGILE X INCLUDES:
- ▾ Fragile X syndrome (FXS), the most common cause of inherited mental impairment, ranging from learning disabilities to more severe cognitive or intellectual disabilities. FXS is the most common known cause of autism or “autistic-like” behaviors.
- ▾ Fragile X-associated tremor/ataxia syndrome (FXTAS), a condition which affects balance, tremor and memory in some older male gene carriers.
- ▾ Fragile X-related premature ovarian failure (POF), a problem with ovarian function which can lead to infertility and early menopause in some female gene carriers.
- ▾ The National Fragile X Foundation (NFXF) has been helping individuals with Fragile X, their families, and the professionals who work with them since 1984. For more information, go to fragilex.org or call 800-688-8765.