Adolescents with and without Elevated A1c's Needed for Kidney Research.
Eligibility:
We are studying what chronic marijuana smoking does to lung health, comparing those who use marijuana to those who do not. Participation involves a thorough pulmonary evaluation by a lung physician by physical exam, chest x-ray, spirometry and bronchoscopy. Volunteers should be between ages 27-55, have no history of heavy alcohol or other recreational drug abuse and no chronic medical conditions.
We are examining the effects of heavy alcohol and tobacco use on the development of pneumonia and serious pulmonary disease. Participation involves a thorough pulmonary evaluation by a lung physician by physical exam, chest x-ray, spirometry and bronchoscopy. We are looking for control participants: volunteers should be between ages 30-55, have no history of heavy alcohol or recreational drug abuse and no chronic medical conditions.
Eligibility:
A hospital worker at least 18 years of age with self-reported symptoms of dry eye on an initial screening survey (with or without a confirmed clinical diagnosis) and who uses masks at least 80% of the time during a shift that is longer than 6 hours.
Seeking adolescent volunteers between the age of 12 and 21 years with Type 1 Diabetes for a study to investigate how hybrid closed loop artificial pancreas systems combined with insulin sensitizing agent metformin impact blood sugar control, the body's response to insulin, and kidney and cardiovascular function when compared to individuals who are only receiving treatment with multiple daily insulin injections.
Female volunteers (age 18-40 years, BMI 25-40 kg/m2) needed for a pilot study to assess changes in body weight, body composition, eating behaviors, and appetite over 6 months of using a combined estrogen/progestin birth control pill compared to non-hormonal contraceptives.
We are looking for volunteers who have had a baby in the last 12 months to take part in a study on rheumatoid arthritis and its higher prevalence in women.
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