Sandra J. Weiss, PhD, DNSc is a Professor in the Department of Community Health Systems and the Robert C. & Delphine Wentland Eschbach Endowed Chair at the University of California, San Francisco. Dr. Weiss has studied the phenomenon of touch as a primary area of research for 30 years. Her work on touch has been covered by CNN, CBS and ABC as part of programs on 'The Senses', 'Discoveries in Medical Science', and 'Medical Advances.'