Member of ABC News Medical Unit

Dr. Chelsea Benmessaoud

Dr. Chelsea Benmessaoud is a preventative medicine fellow at UCLA and a member of the ABC News Medical Unit.

Dr. Benmessaoud's Latest Work

PHOTO: GLP-1 self-injectable devices in Mumbai, March 17, 2026.

Indranil Mukherjee/AFP via Getty Images

Wellness June 3, 2026

Doctor breaks down study showing GLP-1s may lower breast cancer risk