Individuals with HIV and without HIV (smokers and non-smokers)

The Department of Diagnostic Radiology is conducting a study to evaluate the long-term effects of HIV infection and tobacco smoking on the human brain using cognitive assessments and brain MRI and MRS scans.

Who can join?

Adults without prior heart disease or stroke, not receiving diabetes medication(s), and not having other chronic medical conditions who:

  • Are ages 18-75 years old
  • Speak English
  • Are able to complete an MRI scan
  • Do not have any chronic medical illness
  • Meet other study criteria

What procedures will be done?

  • A screening visit
  • Answer questions and complete tests to evaluate your brain function, and a brain MRI and MRS scans


Health Sciences Research Facility III, 670 W. Baltimore St., Baltimore, MD 21201


Participants will be compensated up to $100 for their time (for completing all procedures).

Interested volunteers can contact:

Jonathan Garner at 410-706-1034 ( or Dr. Huajun Liang at 410-706-1031 (

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