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USC study links modified Mediterranean diet to longer lifespan

A plant- and fish-based, low-protein diet paired with small amounts of an amino acid commonly found in eggs, meat and dairy increased healthy lifespan and decreased frailty and fat mass in mice, according to a new USC study published today in the journal Cell Metabolism.

23 Jun 2026

Trial identifies 4 grams a day as the tested safe level for L-tyrosine in healthy men

A randomized, crossover trial in healthy adult men found that 4 weeks of L-tyrosine supplementation at doses up to 4 g/day did not cause clinically meaningful changes in safety markers, diet, blood pressure, or body measures. The highest tested dose, 4 g/day, was identified as the no-observed-adverse-effect level under the study’s four-week conditions, although broader and longer-term studies are still needed.

23 Jun 2026

New optical technique uses light to reveal internal contents of chicken eggs

Scientists have demonstrated a non-invasive technique that uses light to reveal the hidden contents of chicken eggs, potentially helping to curb the meat industry's practice of killing billions of male chicks at birth.

19 Jun 2026

Breast milk nutrient boosts long-term immune system development

Trans-vaccenic acid (TVA), the most abundant trans fatty acid found in human breast milk, helps boost immune system development and has long-lasting effects on immune system health in mice, according to a new study by researchers from the University of Chicago.

18 Jun 2026

Plant-based quinoa burgers reduce post-meal blood sugar spikes

A study reveals that plant-based burgers with baru pulp and red quinoa trigger lower blood sugar spikes than glucose, highlighting their potential in nutrition.

10 Jun 2026

Survey: Many Americans unaware of diet's impact on cholesterol

On the heels of updated cholesterol management guidance that recommends earlier screening and establishes target goals for LDL "bad" cholesterol based on an individual's risk factors, a new Physicians Committee for Responsible Medicine/Morning Consult survey finds that one in five U.S. adults is unaware that what they eat directly affects blood cholesterol levels.

8 Jun 2026

What older adults eat may shape dementia risk

Higher ultraprocessed food intake was associated with increased risks of dementia, cognitive impairment with no dementia, and the combined outcome among older US adults in the Health and Retirement Study. Minimally processed food intake showed the opposite pattern, although the observational findings require cautious interpretation because diet was self-reported and cognitive outcomes were not clinically diagnosed.

4 Jun 2026

The best foods for brain health may change as you age

Investigating brain foods, this review highlights dietary influences on cognition and neurodevelopment, while addressing significant gaps in current research.

3 Jun 2026

New US dietary guidelines may raise the climate cost of protein

Removing ultra-processed foods from the Mean American Diet could reduce environmental impacts, but the benefits are largely offset when the 2025–2030 Dietary Guidelines for Americans are modeled with higher protein intake. The study found that higher-protein, animal-heavy diets increased greenhouse gas emissions, land use, and nitrogen fertilizer use compared with current diets, while plant-based protein scenarios produced substantially lower impacts.

2 Jun 2026

The right seafood choices can help diets meet health and climate goals

Fish can support healthy and sustainable diets, especially when it replaces red and processed meat rather than adding to overall animal-food intake. However, its environmental value depends on species, production system, supply chain, local dietary patterns, and the scale of greenhouse gas reductions required.

1 Jun 2026

How common spices may improve gut, brain, and metabolic health

The health effects of spices are explored, revealing their potential to influence blood sugar, inflammation, and brain function through various mechanisms.

28 May 2026

Indian adapted Mediterranean diet targets inflammation in heart disease trial

The paper describes a single-center randomized controlled trial testing whether an Indian Adapted Mediterranean Diet can reduce dietary inflammation in adults with stable coronary artery disease or moderate-to-high cardiovascular risk. The protocol will assess changes in the Dietary Inflammatory Index, inflammatory biomarkers, cardiometabolic risk factors, body measurements, and metabolic hormones over six months.

25 May 2026

Healthy plant-based foods may improve pregnancy cardiometabolic markers

Higher-quality plant-based diets were associated with more favorable cardiometabolic biomarkers in pregnant U.S. women, especially higher HDL-C and lower TG/HDL-C ratio. Indices that emphasized healthy plant foods, rather than simply penalizing animal foods, showed the strongest links with insulin resistance and lipid markers.

15 May 2026

Eating eggs regularly reduces Alzheimer’s disease risk

Findings suggest that egg consumption is associated with lower Alzheimer's disease risk, supporting the need for further research on diet and brain health.

8 May 2026

Eliminating animal products reshapes metabolic health and environmental impact

A new randomized clinical trial provides some of the clearest evidence to date that what we eat can meaningfully reshape both human health and the health of the planet.

30 Apr 2026

Rising bowel and ovarian cancer rates in younger adults raise new concerns

Cases of several cancers are rising in England among both younger and older adults, but rates of bowel and ovarian cancer are rising only among younger adults (under 50s), finds research published in the open access journal BMJ Oncology.

28 Apr 2026

Ultra-processed foods linked to poorer attention and higher dementia risk scores

Research shows that higher ultra-processed food consumption may impair attention and elevate modifiable dementia risk, highlighting concerns for brain health.

28 Apr 2026

Study finds many UK adults want to avoid ultra-processed foods but cannot define them clearly

A qualitative study of 30 UK adults found that many people see ultra-processed foods as unhealthy but struggle to define them clearly or distinguish them from other processed foods. The findings suggest that clearer communication and food-environment changes, not education alone, may be needed to help people reduce UPF intake.

19 Apr 2026

Healthy diets linked to higher lung cancer risk in younger non-smokers

A diet rich in fruit, vegetables and whole grains is generally recommended for better health and to lower the risk of cancer and other diseases.

17 Apr 2026

Can processed meats fit into a healthy diet?

This perspective-style review argues that processed meats remain valuable sources of high-quality protein, essential amino acids, and bioavailable micronutrients despite concerns about sodium, fat, and chronic disease links. It also contends that much of the evidence tying processed meat to adverse health outcomes is observational and potentially confounded, while emphasizing the role of processing in safety, shelf life, and food security.

15 Apr 2026