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The Adipogenic Phenotype in Aging Skeletal Muscle
Men and women between the ages of 50 and 70 are needed for a study examining leg muscle tissue. (REF# 8973)

Alzheimer's Disease Prevention Registry
If you are over age 55 and interested in participating in future research opportunities, please join the Alzheimer's Disease Prevention Registry. (REF# 12552)

Aspirin Research Study
Participants are needed for a research study examining the effects of four-week aspirin use on platelets and whole blood. (REF# 19175)

Strategies to Communicate Colorectal Cancer Risk
Participants are needed in a study to help nurses determine the best way to explain a person's risk for colorectal cancer. (REF# 3292)

Methacholine Broncoprovocation Influence of High Potency Corticosteroids in Asthma (MeCIS)
Patients with asthma and healthy volunteers are needed for a study that examines the influence of high potency corticosteroids on asthma. (REF# 9088)

Evaluation of a Tailored Smoking Cessation Treatment Algorithm Based on Initial Treatment Response and Genotype
Smokers who want to quit smoking may be eligible to participate in this study. (REF# 13846)

Mechanisms of Insulin Resistance in Persons with Rheumatoid Arthritis
Mechanisms of insulin resistance in persons with rheumatoid arthritis. (REF# 7701)

Friendship Study
If your child is between the ages of 10 and 16, with no known behavioral or medical problems, she or he can participate in a one-visit laboratory research study on friendship. (REF# 1004)