Blueberries News and Research

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Review finds blueberry and grape polyphenols may improve vascular health

A review of 37 publications found that grape- and blueberry-derived polyphenols were associated with modest improvements in cardiovascular risk markers, particularly endothelial function. However, most studies were small or short-term, frequently tested concentrated products, and measured biomarkers rather than cardiovascular events.

27 Jul 2026

Study finds two effective therapies for common childhood eating disorder

The first randomized, controlled trial for a common childhood eating disorder has shown how therapists and parents can help those struggling with the condition, known as avoidant restrictive food intake disorder, or ARFID.

29 Jun 2026

Blueberries may boost children's memory and mood

Research suggests blueberry compounds could enhance mood and cognitive function in children, yet stronger evidence is required for clinical recommendations.

25 Jun 2026

Sidewalk yeast species could lead to eco-friendly mosquito traps

An orange-colored yeast species isolated from a Baltimore sidewalk several years ago could be the basis of eco-friendly mosquito traps that reduce malaria transmission, according to a new study from researchers at the Johns Hopkins Bloomberg School of Public Health.

17 Jun 2026

Dietary guidelines fail to deliver flavanol levels linked to heart health

A study shows existing dietary recommendations fail to meet flavanol intake levels linked to cardiovascular benefits, indicating a need for targeted guidelines.

11 Jun 2026

Specific fruit choices boost flavanols for a healthier heart

Including blueberries, plums, blackberries, broad beans or cherries (washed down with green tea) in your five-a-day may be the best way to a healthier heart, new research suggests.

8 Jun 2026

Berries, apples, and citrus linked to greater happiness and optimism

A study links flavonoid-rich diets to sustained happiness and optimism, highlighting the bidirectional relationship between diet and psychological well-being.

5 Mar 2026

New review explores whether berries can slow cognitive decline linked to obesity

This systematic review in Nutrients evaluates human studies investigating whether polyphenol-rich berry consumption can modulate obesity-related metabolic dysfunction and support cognitive performance, particularly in individuals at risk of mild cognitive impairment. Evidence suggests modest memory benefits and possible metabolic improvements, although biomarker findings and long-term clinical relevance remain uncertain.

22 Feb 2026

Why eating more oats can rapidly reduce cholesterol levels

Oat consumption boosts gut microbiota-derived phenolic metabolites, driving cholesterol-lowering effects and improving lipid metabolism in metabolic syndrome.

27 Jan 2026

How specific foods reshape oxidative stress responses during and after high-intensity training

Carbohydrate-rich foods blunt acute oxidative stress during fasted high-intensity exercise, while polyphenol-rich foods accelerate early recovery by reducing post-exercise ROS. Findings highlight how nutrient timing shapes redox responses in sedentary young women undergoing resistance-circuit HIIT.

11 Dec 2025

Daily berries and cocoa enhance mood by targeting key brain pathways

Dietary flavonoids from everyday foods show modest but promising benefits for mood, with the strongest evidence emerging from chronic, anthocyanin rich interventions. Acute effects are mixed, but longer term intake may support emotional well being through mechanisms involving monoamine activity and neuroplasticity.

17 Nov 2025

Plant-based diet prevents and reverses heart microvascular dysfunction in hypertensive rats

Eating a plant-based diet consisting of fruits, vegetables, nuts and legumes can help prevent and reverse heart disease in rats that have high blood pressure, according to a study published by researchers in the Institute for Biomedical Sciences at Georgia State University.

12 Nov 2025

Scientists explore why black rice deserves a bigger place in modern diets

Researchers reviewed the nutritional composition, therapeutic benefits, and industrial uses of black rice, highlighting its potential as a functional food. The study highlights the role of black rice in managing blood sugar, cholesterol, and inflammation, while also advocating for more robust human trials and sustainable cultivation methods.

2 Nov 2025

Researchers explore blueberries as a tool to support microbiota in early life

Researchers tested blueberry powder as one of the first complementary foods in human milk-fed infants. The trial found exploratory evidence that blueberries may support healthier gut microbiota development during early life.

24 Sep 2025

Babies fed blueberries show fewer allergy symptoms and boosted immune balance

Daily blueberry powder given to infants during complementary feeding modestly influenced allergic symptom resolution and shaped immune biomarker–microbiota associations. Findings suggest early diet may play a role in immune development, though results are preliminary and exploratory.

31 Aug 2025

Polyphenols and exercise show promise in fighting gliomas

A new review in Food Science & Nutrition highlights how combining dietary polyphenols with structured exercise can enhance brain function, regulate epigenetics, and support glioma management. The authors outline mechanisms, patient-centered strategies, and research gaps for turning this synergy into clinical practice.

12 Aug 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

Variability in blood sugar response depends on individual's metabolic health status

A study led by researchers at Stanford Medicine shows that differences in blood sugar responses to certain carbohydrates depend on details of an individual's metabolic health status.

4 Jun 2025

Flavonoid-rich foods lower risk of frailty and mental decline in older adults

A large US cohort study found that higher intakes of flavonoid-rich foods, such as tea, apples, berries, citrus, and red wine, were linked to modestly lower risks of frailty, poor mental health, and impaired physical function in older adults.

14 May 2025

Processed blueberry bars provide polyphenols as effectively as raw fruit, research reveals

A randomized controlled trial from North Carolina State University found that food processing minimally affects the bioavailability of (poly)phenols from blueberries and blueberry-enriched protein bars. Both processed and raw forms delivered comparable levels of bioavailable phytochemicals.

28 Apr 2025