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Sam's News — diet-exercise — 2026-08-17

Diet & Exercise

7 Ketogenic Diet Restores Exercise Benefits for People with High Blood Sugar, Study Finds

Researchers at Virginia Tech discovered that a high-fat ketogenic diet can help people with elevated blood sugar regain the metabolic benefits of exercise, particularly improved oxygen utilization. In mice, the diet normalized blood sugar within one week and triggered muscle remodeling that enhanced their response to aerobic exercise.

  • Study published February 25, 2026 in Nature Communications
  • High-fat ketogenic diet normalized blood sugar in mice within one week
  • Ketogenic diet caused muscle remodeling, increasing slow-twitch oxidative fibers
  • Led by exercise medicine researcher Sarah Lessard at Virginia Tech's Fralin Biomedical Research Institute

Sources: ScienceDaily AI Web Searched

Health

7 Low-fat vegan diet promotes weight loss without calorie restriction

A 16-week randomized clinical trial found that adults following an ad libitum low-fat vegan diet consumed approximately 357 fewer calories per day without explicit calorie restriction or portion-size limits. The vegan diet reduced energy density by about 30% by replacing calorie-dense animal foods with plant foods containing more water and fiber.

  • Participants consumed 357 fewer calories per day without counting calories
  • Energy density reduced by approximately 30 percent
  • Total weight of food consumed remained essentially unchanged
  • Study led by Hana Kahleova, MD, PhD at Physicians Committee for Responsible Medicine

Sources: ScienceDaily AI Web Searched, ScienceDaily — Health RSS, ScienceDaily — Fitness RSS, ScienceDaily — Nutrition RSS