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Researchers put olive and fish oil IV nutrition under the microscope

A systematic review of six randomized trials compared olive-oil-based and fish-oil-containing parenteral nutrition in hospitalized adults, examining infection, inflammation, oxidative stress, liver function, and clinical outcomes. The included studies involved diverse patient groups and lipid formulations, with substantial variation in outcomes and insufficient evidence for a meta-analysis.

18 Aug 2026

Study provides new insights into how IL-26 reshapes the tumor immune landscape

While cancer cells acquire malignant traits through epigenetic remodeling, it remains unclear how immune-derived inflammatory factors regulate the epigenetics of colorectal cancer cells.

18 Aug 2026

Why keto appears to lower blood pressure for some people but not others

A narrative review finds that ketogenic diets may modestly lower blood pressure through weight loss, reduced visceral fat, improved insulin sensitivity, fluid and electrolyte shifts, and anti-inflammatory effects. However, effects vary across studies, long-term cardiovascular evidence remains limited, and diet quality, hydration, electrolyte balance, and medication monitoring are important.

17 Aug 2026

A Mediterranean ingredient gave gluten-free pasta an unexpected upgrade

Researchers developed carob-enriched gluten-free tagliatelle that increased dietary fiber and antioxidant activity while reducing starch digestibility and improving pasta structure. A 20% carob substitution provided the best overall balance of functional properties, texture, and consumer acceptance, although clinical health benefits remain to be established.

17 Aug 2026

IL-6 receptor blockers show promise for preventing MOGAD relapses

An international study led by Mayo Clinic researchers has identified interleukin-6 (IL-6) receptor blockers as a promising option for preventing relapses in myelin oligodendrocyte glycoprotein antibody-associated disease (MOGAD). MOGAD is a rare autoimmune neurological disorder that can cause vision loss, paralysis and other serious neurological complications.

6 Aug 2026

Tuft cell-like cancers exhibit unique biological characteristics across multiple organs

A growing body of evidence suggests that a rare epithelial cell type known as the tuft cell may play a far more significant role in cancer than previously recognized.

6 Aug 2026

Localized biochemical halo of IL-10 suppresses immune rejection of pancreatic beta cells

A protein known as interleukin 10 (IL-10) is the lynchpin of a new method to protect transplanted cells from host immune system aggression.

6 Aug 2026

Perilla oil may curb platelet reactivity and inflammatory signaling in smokers

An eight-week randomized trial found that daily perilla oil increased plasma and red-cell ALA, plasma EPA, and platelet closure time in healthy smokers. Perilla oil also reduced TNF-α and TBX21 gene expression, but it did not improve broader coagulation, lipid, endothelial, or postprandial markers.

3 Aug 2026

Ten-million-person study links semaglutide to lower COVID-19 mortality

Researchers analyzing claims from more than 10.1 million commercial insurance and Medicare Advantage enrollees found that semaglutide use was associated with a 49% lower adjusted hazard of COVID-19-related death. The observational findings corroborate earlier SELECT trial results but do not establish causation, making further prospective research essential.

30 Jul 2026

Too little or too much iodine may push immunity off balance

This narrative review finds that adequate iodine supports thyroid hormone signaling, leukocyte metabolism, antioxidant defenses, and antimicrobial activity in humans and domesticated mammals. Both deficiency and sustained excess may impair immunity or promote thyroid inflammation, but precise immune-specific intake thresholds remain uncertain.

27 Jul 2026

A common dietary nutrient feeds a gut pathway linked to atrial fibrillation

Researchers linked higher plasma TMAO to prevalent atrial fibrillation in 5,090 people and found that TMAO or choline supplementation accelerated AF onset, progression, atrial remodeling, and electrical dysfunction in mice. Inhibiting gut microbial TMA production lowered circulating TMAO and delayed AF in mice, identifying a potential therapeutic pathway that now requires human testing.

27 Jul 2026

Engineered probiotic bacteria boost immune attack against pancreatic cancer

Cancer immunotherapies have transformed treatment for many cancers, but pancreatic cancer remains especially difficult to treat. One major reason is that pancreatic tumors often create a "cold" tumor microenvironment, where the tumor prevents immune cells from mounting a strong attack.

24 Jul 2026

Evidence shows artificial sweeteners cannot be judged as a single group

This narrative review found that non-nutritive artificial sweeteners have compound-specific and context-dependent associations with gut microbiota, metabolism, and health-related outcomes. Evidence does not support treating all sweeteners as uniformly harmful or safe, with human findings often limited or inconsistent.

23 Jul 2026

New mechanism behind chemotherapy resistance in ovarian cancer discovered

Scientists at The Wistar Institute have identified a new mechanism behind the chemotherapy resistance that makes ovarian cancer so lethal.

23 Jul 2026

Thymulin curbs age-related inflammation and slows breast tumors in mice

Thymulin reduced age-associated inflammatory myeloid cells and slowed breast-tumor growth in aged mice by suppressing NF-κB signaling. The peptide also restored anti-PD-L1 responsiveness in aged mouse models, while human cell and tumor data supported an age-linked inflammatory myeloid profile.

23 Jul 2026

Five epigenetic clocks reveal shared and distinct signals of aging

Researchers linked five epigenetic clocks to distinct blood gene-expression patterns and biological pathways in 3,227 Health and Retirement Study participants. TAGS derived from these patterns often showed stronger associations with frailty, functional measures, morbidity, and mortality than their parent clocks, although further validation is needed.

22 Jul 2026

Exercise oncology could unlock new therapeutic pathways against cancer

Regular exercise is associated with improved outcomes for many patients with cancer, yet those with advanced disease may be unable to participate in exercise-based interventions.

20 Jul 2026

ddPCR and NGS for viral surveillance in antiviral drug development

hVIVO explains how ddPCR and NGS support viral surveillance in antiviral trials, from detection and quantification to resistance sequencing.

From hVIVO 20 Jul 2026

Vitamin D falls short as an add-on treatment for endometriosis

An eight-week randomized trial of 66 women found that adjunctive vitamin D did not significantly or meaningfully improve endometriosis pain or quality of life compared with placebo during dienogest therapy. The results do not support routine short-term adjunctive supplementation, although the brief trial and absence of post-treatment vitamin D measurements leave longer-term effects uncertain.

19 Jul 2026

Immune pathway may promote the progression of oral precancerous lesions

Researchers at The University of Texas MD Anderson Cancer Center identified an immune pathway that may promote the progression of oral precancerous lesions into head and neck squamous cell carcinoma.

16 Jul 2026