The purpose of the study is to 1) determine the most practical study recruitment strategies for pregnant and postpartum women with marijuana use and 2) collect data to determine what types of studies pregnant and postpartum women are willing to take part in. Participation involves completing an online survey that takes about 10 minutes to complete.

The purpose of this study is to create a de-identified, public use,
repository of data of Chronic Obstructive Pulmonary Disease (COPD)
patients with by Alpha-1 antitrypsin deficiency (AATD), a rare genetic
condition that can cause COPD and emphysema.

This study will optimize the DeepView SnapShot Portable device by imaging patients' burn wounds. These images contribute to the machine learning technology that will one day be used to aid burn clinicians in their treatment plans. Patients will be approached by the burn study team at the hospital when they initially come in for a burn wound treatment. Duration of the study for patients is 21 days.

Transcranial magnetic stimulation (TMS) is a non-invasive brain stimulation method often used to assess connectivity between the brain and specific muscles. This research study is aimed at finding the changes in the manner brain communicates with leg muscles post-stroke and its effects on movement coordination during walking.

Smell loss has been reported in more than 50% of older adults. Currently there are no validated methods for classifying patients with smell loss in aging based on either disease site or process. This study aims to better understand how age affects the sense of smell. This study will involve those 50 and older and will take up to 2 years, with 2 follow up annual visits.