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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

Rare BTK mutation drives resistance to targeted therapies for blood cancer

Scientists at Sylvester Comprehensive Cancer Center, part of the University of Miami Miller School of Medicine, and collaborators have uncovered a rare genetic mutation that enables some blood cancers to evade both approved Bruton tyrosine kinase (BTK) inhibitors and newer BTK degraders, a finding that could help shape the next generation of therapies for patients with chronic lymphocytic leukemia (CLL) and related malignancies.

27 Jul 2026

Taste preference genes drive overeating and metabolic disease risk

Ever wonder why some people crave sweets while others can take them or leave them? Preliminary findings from a new study suggest that people who carry certain genetic variants associated with a preference for sweet or fatty tastes not only tend to eat more of these foods but also have a higher risk of obesity and type 2 diabetes as a result.

27 Jul 2026

Signals traveling from the gut through the vagus nerve help form memories

When French writer Marcel Proust famously recalled his childhood from the taste of a Madeline cookie, his stomach may have done some of the work.

27 Jul 2026

Survey shows Native Americans lack awareness of plant-based diets for diabetes prevention

Although Native Americans experience some of the nation's highest rates of type 2 diabetes and other chronic diseases, a new national survey suggests many have not heard about one of the most effective dietary approaches for preventing and even reversing the disease.

27 Jul 2026

Alcohol use during pregnancy increased in the United States from 2011 through 2024

Prenatal alcohol exposure-a contributor to adverse pregnancy outcomes and the leading preventable cause of neurodevelopmental disability worldwide-has increased in the United States over the past decade.

27 Jul 2026

Novel bioinspired dressing uses body force to heal wounds

A bioinspired material, developed by scientists at Imperial College London, accelerates wound healing and the repair of human skin.

27 Jul 2026

New poll shows young adults lack practical healthcare management skills

Many young adults may be entering adulthood without the practical skills needed to manage their own healthcare, suggests a new national poll.

27 Jul 2026

Beckman Coulter Diagnostics launches fully automated urinalysis system to meet rising testing volumes

Beckman Coulter Diagnostics, a Danaher company and a global leader in clinical diagnostics, today announced the U.S. launch of the DxU 1800 System, a fully automated urinalysis solution that combines a new chemistry analyzer and consumables with proven microscopy technology.

From Beckman Coulter Diagnostics 27 Jul 2026

Study identifies simvastatin as promising adjuvant for periodontitis treatment

Porphyromonas gingivalis can evade antibiotics by invading host cells, contributing to recurrent periodontitis and persistent tissue damage.

26 Jul 2026

Time-restricted eating may help lower dementia risk in older women

Results from a small clinical trial suggest it may be possible to reduce your risk of dementia by eating during fewer hours of the day.

26 Jul 2026

Planetary Health Diet lowers cardiovascular risk in older women

A 20-year study of more than 65,000 postmenopausal women found that higher adherence to the Planetary Health Diet was associated with a lower risk of overall cardiovascular disease, coronary heart disease, stroke and heart failure.

25 Jul 2026

Experts review evidence behind updated protein intake recommendations

A new Perspective published today in The Journal of Nutrition, a peer-reviewed journal of the American Society for Nutrition (ASN), reviews the evidence supporting protein recommendations in the 2025-2030 Dietary Guidelines for Americans and identifies areas where additional research could strengthen future dietary guidance.

24 Jul 2026

Study links household drinking water to long-term lithium exposure

Lithium in drinking water is a widespread and persistent source of human exposure across Tribal communities in the Western United States, according to a new study from Columbia University Mailman School of Public Health.

24 Jul 2026

Cleveland Clinic study links gut microbe byproduct to heart arrhythmia

A Cleveland Clinic-led study shows a connection between elevated blood levels of TMAO (trimethylamine N-oxide) - a byproduct of gut bacteria digestion of nutrients found in red meat and other animal products - and a higher risk of atrial fibrillation.

24 Jul 2026

Two microscopic parasites cause widespread diarrheal illness across America

You've seen the alarming headlines about parasites causing "explosive diarrhea" across the U.S. Two microscopic parasites – cyclospora cayetanensis and cryptosporidium – can both cause prolonged gastrointestinal illness, including watery diarrhea, stomach cramps, and dehydration.

24 Jul 2026