Diet News and Research

Latest Diet News and Research

California ends Medicaid coverage of weight loss drugs despite TrumpRx plan

Many low-income Californians prescribed wildly popular weight loss drugs lost their coverage for the medications at the start of the new year.

9 Jan 2026

Breastfeeding linked to reduced maternal depression and anxiety up to ten years

Breastfeeding may lower mothers' later life risks of depression and anxiety for up to 10 years after pregnancy, suggest the findings of a small observational study, published in the open access journal BMJ Open.

8 Jan 2026

What the Health? from KFF Health News: New Year, same health fight

Congress returned from its holiday break to the same question it faced in December: whether to extend covid-era premium subsidies for health plans sold under the Affordable Care Act.

8 Jan 2026

A high-protein diet shows strong anti-cholera effects

Cholera, a severe bacterial infection that causes diarrhea and kills if untreated, can be defeated with a diet high in protein, according to a new study from UC Riverside.

8 Jan 2026

Why promising microbiome therapies rarely work in patients

Addressing the microbiome's translational gap involves understanding biological complexity and developing function-driven, patient-specific interventions.

8 Jan 2026

Weight loss drugs may cause nutritional deficiencies without proper guidance

People prescribed the new generation of weight loss drugs may not receive sufficient nutritional guidance to support safe and sustainable weight loss, leaving them vulnerable to nutritional deficiencies and muscle loss, say experts at UCL and the University of Cambridge.

7 Jan 2026

Millions in Great Britain using or seeking weight loss drugs

An estimated 1.6 million adults in England, Wales and Scotland used drugs such as Wegovy and Mounjaro to help lose weight between early 2024 and early 2025, according to a new study by UCL (University College London) researchers.

7 Jan 2026

Stopping weight loss drugs leads to rapid weight regain and health reversal

Stopping weight loss drugs is followed by weight regain and reversal of beneficial effects on heart and metabolic health markers such as high cholesterol and high blood pressure, finds a study published by The BMJ today.

7 Jan 2026

BATF2: A novel tumor suppressor silenced by glutamine in head and neck cancer

A novel tumor suppressor, BATF2, can be silenced by factors in the tumor microenvironment, leading to a reduced immune response in five preclinical models of head and neck cancer, according to researchers from The University of Texas MD Anderson Cancer Center.

7 Jan 2026

Higher intake of food preservatives linked to increased risk of type 2 diabetes

Higher consumption of food preservatives, widely used in industrially processed foods and beverages to extend their shelf life, has been linked to an increased risk of type 2 diabetes.

7 Jan 2026

Can ketogenic diets help PCOS? New analysis points to weight and insulin gains

A systematic review and meta-analysis of 15 studies found that ketogenic diets were associated with short-term reductions in body weight, waist circumference, insulin resistance, and some reproductive hormones in women with polycystic ovary syndrome, primarily among those with overweight or obesity. However, substantial heterogeneity, low certainty of evidence, limited safety reporting, and short follow-up periods mean the clinical effectiveness and long-term sustainability of ketogenic diets in PCOS remain uncertain.

5 Jan 2026

"Blue zones" longevity claims validated by new research

A new peer-reviewed paper published in The Gerontologist provides the most comprehensive scientific response to date addressing recent critiques of the so-called "blue zones," regions of the world known for unusually high concentrations of people living long, healthy lives.

5 Jan 2026

Depression links to chronic headaches through weight and diet, not physical activity alone

Depression was associated with a higher likelihood of chronic headaches in Iranian adults, with statistical models identifying body mass index and dietary iron intake as partial mediators. Physical activity was linked to depression but did not independently mediate headache outcomes, highlighting interconnected, non-causal pathways.

1 Jan 2026

Prediabetes prevalence doubles over two decades in Finnish children with obesity

The prevalence of prediabetes has increased significantly in recent years among Finnish children living with overweight or obesity, a recent study by Tampere University and the University of Eastern Finland shows.

30 Dec 2025

Paternal microplastic exposure alters metabolic health in offspring

A study led by biomedical scientists at the University of California, Riverside, has shown for the first time that a father's exposure to microplastics (MPs) can trigger metabolic dysfunctions in his offspring.

23 Dec 2025

High-fat cheese and cream consumption links to lower dementia risk over 25 years

Higher intake of high-fat cheese and cream was associated with a lower risk of all-cause dementia over 25 years in a large Swedish cohort, while low-fat dairy showed no association. Associations were strongest for vascular dementia and among APOE ε4 non-carriers, with findings remaining observational.

23 Dec 2025