Volunteers needed:

• Male or female between 6 - 17 years of age

• Has been diagnosed with mild to moderate persistent asthma

• All study medication and study related care will be provided at no cost.  Health insurance is not required

• Compensation for time and travel is available

Volunteers needed:

• Male or female between 12 - 17 years of age

• Has been diagnosed with MDD or has been having feelings of depression

• All study medication and study related care will be provided at no cost.  Health insurance is not required

• Compensation for time and travel is available

Volunteers needed:

• Male or female greater than 50 years of age

• Has been diagnosed or suspected to have Alzheimer's disease

• All study medication and study related care will be provided at no cost.  Health insurance is not required

• Compensation for time and travel is available

Volunteers needed:

• Male or female at least 18 - 89 years of age

• Has been diagnosed with Diabetes Mellitus

• Has a foot ulcer at or below ankle

• All study medication and study related care will be provided at no cost.  Health insurance is not required

• Compensation for time and travel is available