Sam's News — diet-exercise — 2026-08-22¶

Diet & Exercise¶

7 Ketogenic Diet Improves Exercise Response in People with High Blood Sugar, Study Finds¶

A study by exercise scientist Sarah Lessard found that a high-fat, low-carbohydrate diet restored the normal metabolic benefits of exercise in mice with high blood sugar.

Study led by Sarah Lessard at Virginia Tech's Fralin Biomedical Research Institute, published Feb. 25, 2026 in Nature Communications
Mice on ketogenic diet normalized blood sugar within one week, reversing hyperglycemic state
Ketogenic diet caused muscle remodeling, increasing slow-twitch oxidative fibers and improving aerobic exercise response
Finding contrasts with traditional low-fat diet recommendations and suggests diet and exercise work together synergistically for metabolic health

Sources: ScienceDaily AI Web Searched, Virginia Tech News Web Search

Health¶

6.5 Yeast beta-glucan shown to enhance cancer-fighting immune response in mice¶

A yeast-based supplement containing beta-glucan reprogrammed immune cells in bone marrow to generate stronger, longer-lasting cancer-fighting responses in mice.

Sources: ScienceDaily RSS, ScienceDaily — Health RSS, ScienceDaily — Fitness RSS, ScienceDaily — Nutrition RSS

6.5 Gut bacterium Roseburia inulinivorans linked to muscle strength in aging¶

Older adults carrying the bacterium Roseburia inulinivorans showed 29% greater handgrip strength, while mice treated with it gained 30% more grip strength.

Sources: ScienceDaily — Health RSS, ScienceDaily — Fitness RSS

6 Exercise more effective at preventing weight regain than initial weight loss¶

Regular physical activity plays a larger role in preventing lost weight from returning than in losing weight initially, by preserving muscle and regulating metabolism.

Sources: ScienceDaily — Health RSS, ScienceDaily — Fitness RSS, ScienceDaily — Nutrition RSS

5.5 Tooth count predicts pancreatic cancer survival post-surgery¶

Pancreatic cancer patients with at least 21 natural teeth survived nearly two years longer after surgery than those with fewer teeth in a study of 339 patients.

Sources: ScienceDaily — Health RSS, ScienceDaily — Nutrition RSS

Exercise Physiology¶

6.5 High Blood Sugar Blocks Exercise's Oxygen-Boosting Benefits¶

New research shows that elevated blood sugar levels impair the body's normal ability to improve oxygen utilization during exercise, a key marker of health.

Sources: Science Daily Web Search Update to: High Blood Sugar Blocks Exercise's Oxygen-Utilization Benefits

Sports Nutrition¶

6.5 Female Athletes Can Tolerate Higher Carbohydrate Intake During Marathons¶

A new study reveals female-specific carbohydrate data for marathons, addressing the gender gap in sports nutrition research where only 5% of studies focus on women.

Sources: Runner's World Web Search Update to: Study Shows Female Athletes Can Tolerate Higher Carbohydrate Intake During Marathons

6 Gatorade Launches Multi-Year "Body of Science" Research Initiative for Women's Hydration¶

Gatorade announced a multi-year research commitment enrolling thousands of women to close research gaps in women's hydration science across life stages.

Gatorade's "Body of Science" is a multi-year research initiative focused on closing gaps in women's hydration and nutrition science across different life stages
Initial study findings show disparities in women's hydration and nutrition patterns compared to current recommendations
Research highlights that hydration and nutrition recommendations have not adequately accounted for female physiology

Sources: PepsiCo Web Search, PR Newswire Web Search Update to: Gatorade's Body of Science Research Reveals Gender Disparities in Hydration and Nutrition

Longevity & Health¶

6.5 Study Identifies Critical Factor Predicting Longevity Beyond Diet and Exercise¶

Research identifies a single predictor of longevity that outweighs both diet and exercise as determinants of lifespan.

Sources: ScienceAlert Web Search Update to: Study Identifies Single Factor Predicting Longevity Better Than Diet or Exercise

Nutrition Science¶

5.5 Food Science Innovations Advancing Sports Nutrition Research¶

Cutting-edge food science innovations are shifting sports nutrition from traditional supplementation to molecular-mechanism-based approaches.

Sources: Frontiers Web Search Update to: Food Science Innovations Reshape Sports Nutrition Beyond Traditional Supplementation