Fox News senior medical analyst Dr. Marc Siegel highlights the former president's global efforts to educate on public health and the awareness he brought to melanoma and hospice care.

Jimmy Carter, the 39th president of the United States, died on Sunday at the age of 100. Flags across the U.S. will be at half-staff for 30 days following his death.

During and after his presidency, Jimmy Carter spent years working to advance global public health, including helping to nearly eradicate one disease.