@joannadolgoffmd, Dr. Joanna Dolgoff

Dr. Joanna Dolgoff, a Roslyn pediatrician, uses Twitter to give nutritional tips and answers questions on how to live healthier. Credit: Photo by Handout
When the 36-year-old Roslyn pediatrician started her “Red Light, Green Light, Eat Right!” program three years ago to combat childhood obesity, she didn’t have the funds for old-school advertising, but immediately found Twitter to be an effective marketing tool. She tweets nutritional tips and answers questions on how to live healthier.

Memorial Day 2026: NewsdayTV honors those we've lost A brave young patriot receives a burial 83 years after being lost in war. Volunteers restore a Revolutionary War cemetery. A Gold Star mom makes it her mission to honor her son's sacrifice. NewsdayTV's Virginia Huie shares three stories in honor of Memorial Day.

Memorial Day 2026: NewsdayTV honors those we've lost A brave young patriot receives a burial 83 years after being lost in war. Volunteers restore a Revolutionary War cemetery. A Gold Star mom makes it her mission to honor her son's sacrifice. NewsdayTV's Virginia Huie shares three stories in honor of Memorial Day.