Diet & Nutrition News and Research

Latest Diet & Nutrition News and Research

Understanding the importance of B vitamins for health

Eight different vitamins make up the B complex, and they all play crucial roles in the body, such as producing energy, keeping our nervous system healthy, and supporting cell development.

4 Aug 2025

Tailored granola transforms gut bacteria and improves mood

A study reveals that custom granola can boost gut health and mood by increasing beneficial bacteria and short-chain fatty acids based on individual microbiota.

4 Aug 2025

Creatine in your diet may benefit your digestive system

Findings suggest dietary creatine from meat may alleviate chronic constipation, with stronger effects observed in men and those without certain health issues.

4 Aug 2025

Eating more ultra-processed food raises your risk of lung cancer

The association between ultra-processed food consumption and lung cancer risk underscores the importance of nutrition in cancer prevention strategies.

4 Aug 2025

New research unveils vast influence of B vitamins on health and disease

Eight essential nutrients make up the suite of B vitamins also known as the B complex. Researchers from Tufts University and elsewhere have revealed that these B vitamins influence a vast spectrum of human health and disease, including cognitive function, cardiovascular health, gastric bypass recovery, neural tube defects, and even cancer.

4 Aug 2025

Can your diet and health change your breast milk? Review uncovers the key maternal and birth factors

This review highlights how maternal, obstetrical, and neonatal factors influence the energy and macronutrient content of breast milk. The findings underscore significant variability in milk composition, with implications for tailored nutritional support in early life.

3 Aug 2025

Metformin’s blood sugar control starts in the brain, not just the liver, study finds

Low, clinically relevant doses of metformin lower blood glucose by inhibiting the Rap1 protein in specific neurons of the hypothalamus, revealing a brain-first mechanism. This action is essential for metformin’s effect at therapeutic doses and highlights new directions for diabetes treatment.

3 Aug 2025

AI spots hidden diabetes risk even when test results look normal

Researchers used continuous glucose monitoring and multimodal data from over 3,000 people to reveal hidden patterns in glucose spikes across normoglycemia, prediabetes, and type 2 diabetes. Their AI-driven model exposed high individual variability and offers a personalized path for early detection and prevention of diabetes.

3 Aug 2025

New study shows brain's role in diabetic ketoacidosis

More than a decade ago, researchers found that an acute complication of type 1 diabetes, diabetic ketoacidosis (DKA), can be resolved with the hormone leptin, even in the absence of insulin.

1 Aug 2025

This test can see a heart attack in your future

A long list of Lynda Hollander's paternal relatives had heart disease, and several had undergone major surgeries. So when she hit her mid-50s and saw her cholesterol levels creeping up after menopause, she said, "I didn't want to take a chance."

1 Aug 2025

Copper may protect brain health after stroke

Research shows dietary copper intake boosts cognitive function in older adults, particularly those with a stroke history, highlighting its neuroprotective role.

1 Aug 2025

Scientists finally define what it means to be flexitarian

Researchers conducted a systematic review to develop a clear, evidence-based definition of the “flexitarian” diet, identifying it as consuming animal products at least once a month but less than once a week. Analysis of 42 countries’ dietary guidelines revealed that while “flexitarian” is not officially recognized, many nations implicitly support plant-forward eating by recommending reduced red meat consumption.

31 Jul 2025

New research reveals why fiber-rich diets fuel you better than refined foods

This study quantifies how much energy the human body harvests from gut microbial fermentation of dietary fiber, integrating bacterial physiology, diet, and metagenomic data. Results reveal that dietary fiber, not microbiome composition, mainly determines the amount of short-chain fatty acids absorbed, impacting daily energy and metabolic health.

31 Jul 2025

Behavioral adaptation precedes morphological change in human evolution

As early humans spread from lush African forests into grasslands, their need for ready sources of energy led them to develop a taste for grassy plants, especially grains and the starchy plant tissue hidden underground.

31 Jul 2025

Saliva testing offers a non-invasive way to detect early metabolic risk

Measuring elevated levels of insulin in blood, called hyperinsulinemia, is a proven way to measure metabolic health and can show risk of developing future health concerns, including Type 2 diabetes, obesity and heart disease.

31 Jul 2025

Artificial sweetener may undermine effectiveness of cancer treatment

Sucralose is a popular sugar substitute for people who are cutting calories or managing blood sugar levels, but new research by the University of Pittsburgh and UPMC Hillman Cancer Center suggests that the artificial sweetener may not be the best choice for patients undergoing cancer immunotherapy.

31 Jul 2025

Powerful bioactives found in overlooked Amazonian fruits

Lesser-known Amazonian fruits exhibit strong antioxidant and antimicrobial properties, highlighting their role in public health and biotechnology research.

31 Jul 2025

Metformin lowers blood sugar by acting on brain pathways

Although metformin has been the go-to medication to manage type 2 diabetes for more than 60 years, researchers still do not have a complete picture of how it works.

31 Jul 2025

Chronically ill? In Kennedy’s view, it might be your own fault

On a recent weekday evening, Ashly Richards helped her 13-year-old son, Case, with homework. He did math problems and some reading, underscoring how much he's accomplished at his school for children with autism.

31 Jul 2025

Can stacking creatine and β-alanine give you extra gains? Here’s what science says

Co-supplementation with creatine and β-alanine may enhance high-intensity exercise performance, especially in repeated short bursts. However, it offers no additional benefit over creatine alone for maximal strength, aerobic capacity, or body composition.

30 Jul 2025