FRIDAY, Aug. 21, 2026 — Is weight loss really just about calories in, calories out — or does diet quality make a difference?A team led by Dr. Thomas Keyserling, a professor of medicine at the University of North Carolina at Chapel Hill, followed...


FRIDAY, Aug. 21, 2026 — Is weight loss really just about calories in, calories out — or does diet quality make a difference?A team led by Dr. Thomas Keyserling, a professor of medicine at the University of North Carolina at Chapel Hill, followed...