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Asthma is a chronic disease that affects nearly 13% of adults in the U.S., causing substantial impairment that is reflected in the tens of millions of missed days of work, and doctors' and emergency room visits it leads to annually. Those who have asthma are twice as likely to develop depression and anxiety, which are associated with more frequent and severe asthma symptoms, especially in those under chronic stress. The project proposed here seeks to understand the role of the brain in these associations and to evaluate the neural mechanisms through which a safe, low-cost intervention, that influences the function of body via the mind, may diminish the expression of asthma symptoms.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Asthmatic, chronic stress | |||
| Asthmatic, non-stress |
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| Measure | Description | Time Frame |
|---|---|---|
| Neural activity in response to stress | positron emission tomography | duration of stress (30 minutes) |
| inflammation | infiltration of eosinophils into lung sputum, percentage of blood eosinophils, exhaled nitric oxide, glucocorticoid sensitivity of peripheral blood leukocytes | 24 hours |
| lung function | peak expiratory volume in 1 sec effort | 24 hours |
| peripheral acute stress reactivity | salivary cortisol and alpha amylase in response to acute stressor | 60 minutes |
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Inclusion Criteria:
Asthmatics:
Controls:
Chronic Stress:
No chronic stress:
score 1.5 or below on all subscales of the UCLA chronic stress interview
Exclusion Criteria:
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Community sample
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of Wisconsin-Madison | Madison | Wisconsin | 53715 | United States |
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| ID | Term |
|---|---|
| D001249 | Asthma |
| ID | Term |
|---|---|
| D001982 | Bronchial Diseases |
| D012140 | Respiratory Tract Diseases |
| D008173 | Lung Diseases, Obstructive |
| D008171 | Lung Diseases |
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| D012130 |
| Respiratory Hypersensitivity |
| D006969 | Hypersensitivity, Immediate |
| D006967 | Hypersensitivity |
| D007154 | Immune System Diseases |