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Constantine Kanakis, MD MSc

Constantine Kanakis, MD MSc, is a member of the ABC News Medical Unit.

Constantine's Latest Work

PHOTO: Stock photo of a teen girl on her cellphone. — Crispin La Valiente/Getty Images

Increased screen time linked to aggression, anxiety, low self-esteem in kids, study finds

PHOTO: In this April 24, 2024, file photo, the injectable weight-loss medication Wegovy is shown at New City Halstead Pharmacy in Chicago. — Scott Olson/Getty Images, FILE

Food and fitness make or break success on weight loss meds, report finds

PHOTO: Stock photo of magnetic beads. — Huizeng Hu/Getty Images

More kids are swallowing magnets, despite stricter safety rules

PHOTO: Dr. Musunuru and Dr. Ahrens-Nicklas hold KJ post infusion. — Children's Hospital of Philadelphia

Doctors save baby's life with first-ever gene fix for deadly rare disease

PHOTO: Ozempic is medicine for adults with type 2 diabetes, Wegovy is prescribed for long-term weight loss in adults and children. Both contain the active ingredient semaglutide, Jan. 13, 2025, in Sydney, Australia. — Steve Christo/Corbis via Getty Images

Weight-loss meds may give people more control over drinking, study shows

PHOTO: Sloan Kettering — Smith Collection/gado/Getty Images

Immunotherapy drug capable of eliminating tumors in some early stage cancers: Study

PHOTO: Patients, infertility doctors and advocates of IVF attend a rally outside the Alabama State House , Feb. 28, 2024 in Montgomery, Ala. — Stew Milne/AP

What to know about IVF after Alabama Supreme Court ruling leaves it in limbo

PHOTO: Erica Kaye's infant son is pictured among the needles she and her surrogate used during in-vitro fertilization treatment. — Courtesy of Erica Kaye

With infertility, it took nearly 900 needles to bring my son into the world

PHOTO: A girl texts on a smart phone in this undated stock image. — Getty Images

New software by MIT, dubbed 'Squad box,' hopes to combat cyberbullying

PHOTO: A woman lifts dumbbells in a gym in this undated stock photo. — STOCK PHOTO/Getty Images

Breast cancer patients fare better if they have muscle: Study

PHOTO: Ellen Pompeo from "Grey's Anatomy" appears in the episode "You Really Got a Hold on Me" on the ABC Television Network. — Mitch Haaseth/ABC via Getty Images

Could 'Grey's Anatomy' skew your hospital expectations?

PHOTO: People comfort each other at a prayer vigil for the victims of the shooting at Marjory Stoneman Douglas High School at the Parkland Baptist Church, Feb. 15, 2018. — Wilfredo Lee/AP

Florida shooting raises awareness of stigma attached to mental illness

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