Diet News and Research

Latest Diet News and Research

Time-restricted feeding restores microbial rhythms and boosts metabolism

The gut microbiome, a vast assortment of bacteria and other microorganisms that inhabit our digestive system, plays a critical role in converting food into energy.

19 Jun 2025

Can salt substitutes lower blood pressure in diabetes? A new Cochrane review aims to find out

Researchers will systematically review whether replacing regular sodium salt with alternatives like potassium or magnesium salts helps lower blood pressure in adults with diabetes. The protocol outlines a rigorous plan to evaluate blood pressure effects, safety, and adherence using data from RCTs and quasi-RCTs.

18 Jun 2025

Can a Japanese diet help with depression? Large study says yes

A large cross-sectional study of 12,499 Japanese workers found that higher adherence to traditional or modified Japanese diets was associated with a lower prevalence of depressive symptoms. The findings suggest that culturally rooted dietary patterns may support mental well-being, especially among educated adults.

18 Jun 2025

Kupffer cell reprogramming in embryos explains metabolic disorders in offspring

Children born to obese mothers are at higher risk of developing metabolic disorders, even if they follow a healthy diet themselves.

18 Jun 2025

Stanford study identifies gene signature that predicts immune health

At the start of the COVID-19 pandemic, information began to trickle in about who was at higher risk of a dangerous outcome from infection. Men. Those over 65. Smokers. Those with obesity.

18 Jun 2025

Gut microbiome resists major changes from a nut-rich diet

The systematic review highlights that while nuts influence gut microbiota, the effects are modest and vary by nut type, warranting further investigation.

18 Jun 2025

Heart scan study reveals low-fiber diets drive dangerous heart plaques

A Swedish study links low-fiber, high-red meat diets to increased coronary artery plaque risk, highlighting the importance of dietary choices for heart health.

18 Jun 2025

Compound-level diet analysis sheds light on hidden triggers in IBD

Dutch researchers identified specific food compounds that influence remission and flare risk in patients with inflammatory bowel disease. The study shows compound-level dietary analysis could help personalize IBD management and clarify conflicting advice about diet.

18 Jun 2025

What matters more for diabetes risk: lifestyle or body weight?

A large, multi-ethnic US cohort study found that combining healthy lifestyle factors—non-smoking, regular physical activity, a healthy diet, and moderate alcohol consumption into a Lifestyle Risk Factor Index (LSRI) was linked to a significantly lower risk of type 2 diabetes. However, BMI was a stronger predictor of diabetes risk, and the impact of lifestyle varied across ethnic groups.

18 Jun 2025

Instant coffee may damage your eyes, genetic study finds

Researchers used genomic and Mendelian randomization analyses in over 500,000 individuals to reveal a statistically significant causal link between instant coffee intake and increased risk of dry age-related macular degeneration (AMD). No such risk was found for ground or decaffeinated coffee.

17 Jun 2025

What 300 grams of ultra-processed food a day does to your diabetes risk

A dose-response meta-analysis of 12 cohort studies finds that higher intake of ultra-processed foods (UPFs) is linked to a significantly increased risk of type 2 diabetes (T2D). The association remains even after adjusting for BMI, diet quality, and energy intake, with a steeper risk increase above 300 g/day.

17 Jun 2025

Popular painkiller use linked to gut microbiome shifts

Supermarket ads push junk food for toddlers and infants

A study reveals Australian supermarkets' catalogs push junk food for infants, raising concerns about marketing practices and the need for stricter regulations.

17 Jun 2025

Berries pack more fiber and antioxidants than America’s most-eaten fruits

Replacing one daily serving of commonly eaten fruits like apples or bananas with berries significantly boosts nutrient density in USDA dietary patterns. The modeling analysis showed notable gains in anthocyanins, fiber, and vitamins, with only modest cost increases.

16 Jun 2025

Black tea helps in one Parkinson’s type, but soda and pesticides worsen another

A large longitudinal study found that pesticide exposure and caffeinated soda intake were linked to more severe motor symptoms in idiopathic Parkinson’s disease (iPD). In contrast, black tea consumption was associated with milder symptoms in patients with LRRK2-related Parkinson’s disease (LRRK2-PD).

16 Jun 2025