Diet & Nutrition News and Research

Latest Diet & Nutrition News and Research

Ultra-processed foods linked to higher prostate cancer risk in men

Ultra-processed foods (UPFs) account for nearly 60% of adults' and 70% of children's energy intake in the United States.

12 Aug 2026

Childhood screen time may support cognitive processing in teenagers

In a recent Finnish study, more screen time since childhood was associated with better cognitive processing in adolescence.

12 Aug 2026

Survey: Most U.S. adults believe brain health habits should begin before age 40

A new national survey commissioned by The Ohio State University Wexner Medical Center finds most U.S. adults believe brain health habits should begin before age 40.

12 Aug 2026

Laboratory chemical exposure and poor diet increase odds of health symptoms in young scientists

Young scientists who frequently handle laboratory chemicals and consume relatively few antioxidant-rich foods may be more likely to report symptoms such as fatigue, headaches, pallor, and easy bruising, according to a new study of university students in Nigeria.

12 Aug 2026

The coffee advice given to atrial fibrillation patients may deserve a rethink

The DECAF randomized trial found that adults with persistent atrial fibrillation or atrial flutter assigned to drink at least one cup of caffeinated coffee daily had a 39% lower hazard of recurrent clinically detected AF or flutter than those assigned to avoid coffee and caffeine. The findings challenge longstanding advice to routinely restrict caffeinated coffee in people with AF, while further research is needed to determine whether coffee itself provides a protective effect.

12 Aug 2026

How much do nuts matter for blood pressure? This study points to about a handful a day

A meta-analysis of eight prospective studies involving 143,380 participants found that higher nut consumption was associated with a lower risk of developing hypertension. Each 28 g/day increment was associated with a 20% lower relative risk in the linear analysis, while the modeled association appeared to level off at around one handful per day.

12 Aug 2026

Waist size predicts heart disease risk better than body mass index

The size of a person's midsection is a better indicator of cardiovascular disease risk when compared to their body mass index (BMI) alone, according to a study published in JACC, the flagship journal of the American College of Cardiology.

11 Aug 2026

One cognitive ability stood out in a study of Western diets and Alzheimer’s risk genes

A Western dietary pattern was associated with faster attention decline among older adults carrying the APOE ε4 allele, while no significant cognitive associations emerged for a Prudent dietary pattern. However, the Western diet association lost statistical significance after excluding participants with possible baseline cognitive impairment, making the finding exploratory.

11 Aug 2026

Why pulses could play a bigger role in healthy and sustainable diets

A narrative review finds that pulses may support gut and metabolic health through their fiber, protein, phytochemicals, and interactions with the gut microbiota, while offering a lower environmental footprint than many animal protein sources. Human evidence is strongest for selected cardiometabolic outcomes, while many microbiome and fermentation-related benefits remain supported mainly by animal and laboratory studies.

9 Aug 2026

Fruit fly gut cells track hunger using internal cell viscosity

Researchers led by Sa Kan Yoo at the RIKEN Center for Biosystems Dynamics Research (BDR) in Japan have discovered that the natural turnover of gut cells in the fruit fly depends on how much food the flies get, rather than any specific nutrient.

7 Aug 2026

Low-fat vegan diet helps people lose weight without cutting back on food

A low-fat vegan diet lowers the energy density of the foods people eat by roughly 30%, allowing them to eat satisfying amounts of food while taking in fewer calories and losing weight-without deliberately restricting calories-according to new research published in JAMA Network Open.

7 Aug 2026

New research highlights carbohydrate role in early human brain development

Fruit, honey and other naturally sweet foods may have helped fuel the evolution of the human brain, according to new research from the University of Sydney and the University of Glasgow.

7 Aug 2026

Genetic analysis of 1 million people points to FNIP1 as a promising metabolic target

Mega-scale exome sequencing of 1,032,116 people identified 59 independent genes linked to the TG:HDL ratio, including 44 rare-coding associations not detected in the previous largest analysis. Ultra-rare FNIP1 loss-of-function variants were associated with favorable fat distribution, lower liver fat and glycemia, and around 60% lower odds of a composite cardiometabolic disease outcome.

7 Aug 2026

D-serine promotes gastric cancer growth by suppressing tumor immunity

Researchers from Keio University have found that D-serine increases the growth of gastric cancer by creating an immunosuppressive and anti-inflammatory tumor microenvironment.

6 Aug 2026

Nighttime light linked to conflicting signs of biological aging

Higher residential nighttime light exposure was associated with contrasting biological aging patterns in nearly 300,000 UK Biobank participants, depending on the aging algorithm used. PhenoAge and homeostatic dysregulation suggested a potentially adverse aging pattern, while KDM-BA showed the opposite association, underscoring uncertainty about how nighttime light relates to biological aging.

6 Aug 2026

Parenting stress influences children's screen habits, study finds

Researchers at FIU have a message for parents: If screen time is part of getting through a stressful day, find a way to make it count. The goal should be to focus less on quantity and more on quality.

6 Aug 2026

Swiss flagship project harnesses AI and sensors for diabetes prevention

Type 2 diabetes generates high healthcare costs in Switzerland and causes significant suffering for those affected.

6 Aug 2026

First-trimester protein intake linked to lower odds of small-for-gestational-age birth

A secondary analysis of 7,067 nulliparous participants found that first-trimester protein intake of 0.8 to less than 1.1 g/kg/day was associated with 22% lower adjusted odds of delivering an SGA infant than intake of at least 1.1 g/kg/day. The association was exploratory, with no dose-response pattern and no confirmation in sensitivity analyses.

6 Aug 2026

ACLM launches first lifestyle medicine evidence repository for healthcare professionals

The American College of Lifestyle Medicine (ACLM) has launched the Lifestyle Medicine Evidence Repository, the first centralized, curated collection of scientific research focused specifically on lifestyle medicine interventions.

5 Aug 2026

Biofortified millet improves toddler gut health without adverse effects

Toddlers who ate iron- and zinc-biofortified pearl millet for nine months did not experience adverse effects typically associated with increased iron intake and developed gut microbiomes with distinct and potentially beneficial changes, according to a new study led by researchers at Cornell University's Joan Klein Jacobs Center for Precision Nutrition and Health.

5 Aug 2026

Diet & Nutrition News and Research

Latest Diet & Nutrition News and Research

Ultra-processed foods linked to higher prostate cancer risk in men

Childhood screen time may support cognitive processing in teenagers

Survey: Most U.S. adults believe brain health habits should begin before age 40

Laboratory chemical exposure and poor diet increase odds of health symptoms in young scientists

The coffee advice given to atrial fibrillation patients may deserve a rethink

How much do nuts matter for blood pressure? This study points to about a handful a day

Waist size predicts heart disease risk better than body mass index

One cognitive ability stood out in a study of Western diets and Alzheimer’s risk genes

Why pulses could play a bigger role in healthy and sustainable diets

Fruit fly gut cells track hunger using internal cell viscosity

Low-fat vegan diet helps people lose weight without cutting back on food

New research highlights carbohydrate role in early human brain development

Genetic analysis of 1 million people points to FNIP1 as a promising metabolic target

D-serine promotes gastric cancer growth by suppressing tumor immunity

Nighttime light linked to conflicting signs of biological aging

Parenting stress influences children's screen habits, study finds

Swiss flagship project harnesses AI and sensors for diabetes prevention

First-trimester protein intake linked to lower odds of small-for-gestational-age birth

ACLM launches first lifestyle medicine evidence repository for healthcare professionals

Biofortified millet improves toddler gut health without adverse effects

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Diet & Nutrition News and Research

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