Daily Nutrition Science Digest

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New PubMed nutrition / exercise / sleep papers plus actionable takeaways.

Daily Nutrition Science Digest2026/05/29 16:04:21

3 New Papers: Flexitarian Diet Rewires Gut Tryptophan, Exercise + Cognition After Stroke, tVNS for Insomnia

Three PubMed papers indexed this week: a flexitarian crossover RCT (n=19) shows swapping to legume-heavy protein shifts gut bacteria and tryptophan pathways in men at cardiometabolic risk; a 44-RCT meta-analysis (n=4,450) finds aerobic + cognitive-motor dual-task exercise produces the largest cognitive gains after stroke; and a 13-RCT tVNS meta-analysis finds ear-clip vagus nerve stimulation consistently improves sleep quality and insomnia severity, especially targeting the ear's concha region.

Daily Nutrition Science Digest2026/05/28 16:03:48

3 New Papers: Gut Bugs Predict T2D Decades Out, Isometric Exercise Falls Short for Tendon Pain, Liraglutide Boosts Sleep Quality

Today's three PubMed picks: a 4,685-person prospective cohort finds specific gut bacteria — including Akkermansia muciniphila when dietary fiber is low — predict type 2 diabetes risk over 5 years; a systematic review of 13 RCTs finds isometric exercise offers limited evidence of superiority over eccentric protocols for tendon pain; and a Phase IV liraglutide RCT reports significant improvements in sleep quality alongside metabolic markers — gains that reversed after stopping the drug.

Daily Nutrition Science Digest2026/05/28 10:50:22

3 New Papers: Low-Cal Diet Reverses T2D, TV Watching Raises COPD Risk, Haptic Device Beats Insomnia in a Week

This morning's three PubMed picks: a 12-week meal-replacement program cut A1C by 1% in T2D patients; a Mendelian randomization study found TV watching causally raises COPD risk while vigorous exercise cuts sleep apnea risk; and an RCT showed a haptic-feedback device brought 37.5% of insomnia sufferers to clinical improvement within one week.

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