Dr. Martin has been involved in a variety of research projects with a focus on preventive medicine issues. These research projects include the relationship of cholesterol levels to heart disease, the effects of passive smoking on heart disease, the cost of firearm injuries, sunlight’s aging effects on the skin, and the excessive use of antibiotics in animal agriculture.
Dr. Martin teaches at UCSF and, for more than 30 years, he saw patients in the General Medicine Clinic at Zuckerberg San Francisco General Hospital, an affiliate of UCSF.
He serves on the national board of directors and is the Treasurer of Physicians for Social Responsibility (PSR). He also serves on the board of directors for the San Francisco Bay Area Chapter of PSR.
Dr. Martin is the Founder & President of Physicians Against Red Meat (PhARM), a nonprofit group seeking to improve individual health and the health of our planet by reducing red meat consumption.