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Vitamin D3 concentrations are lowered by a common vitamin D supplement

Taking vitamin D2 might lower the body's levels of the more efficient form of vitamin D, vitamin D3, according to new research from the University of Surrey, John Innes Center and Quadram Institute Bioscience. Many people take vitamin D supplements to support their bone and immune health and meet the UK government recommendation of 10 micrograms (µg) each day, especially during the winter months.


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Serious mental illness often brings rapid weight gain – but support is missing

Being diagnosed with a serious mental illness like schizophrenia or bipolar disorder often brings an overlooked challenge: rapid and sustained weight gain. This side-effect can raise the risk of diabetes, heart disease and early death – widening an already stark life expectancy gap.


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Adopting healthy habits can improve cognitive decline, study shows

An estimated 7.2 million Americans over age 65 currently live with Alzheimer's disease (AD). That number is expected to nearly double to 13.8 million by 2060. These increases reflect more than demographic shifts; they point to a growing public health crisis that requires a new, proactive approach. While chronological age is the strongest known risk factor for cognitive decline, losing cognitive function is not an inevitable part of aging.


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Mom's pregnancy diet may disrupt children's gut health

A high-sugar, high-fat diet during pregnancy may do more than affect a mom's health—it can also trigger inflammation and gut dysfunction in their children, new research suggests.


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‘Bipartisan, common sense, science-based’: California leads the way in banning ultra-processed school meals

Experts hope that a ‘California effect’ will push other states to ban UPFs, similar to its law against six synthetic food dyes


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Junk food diet can quickly disrupt memory circuits in the brain, study finds

A new study from UNC School of Medicine researchers, published this week in Neuron, reveals a unique look at how junk food rewires the brain's memory hub—leading to risk of cognitive dysfunction. This new research opens the door to early interventions that can prevent even long-term memory loss associated with obesity.


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Parent-focused programs fail to prevent obesity in toddlers, analysis finds

Child obesity has major lifelong health impacts. To prevent obesity, many argue it is crucial to intervene early, before overweight or obesity first develop in early childhood. The WHO recommends a life-long approach to reduce the risk of obesity, starting during pregnancy.


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Beyond weight loss: How healthy eating cuts chronic pain

New research shows that eating nutritious food is about far more than ticking off the five food groups—it can also significantly reduce chronic pain.


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New perspective outlines how food-derived signals can modulate biological aging

Diet doesn't just fuel the body, it sends molecular signals that can slow down or speed up biological aging. Biological age, a measure of functional health, can diverge sharply from chronological age and that targeted nutritional and lifestyle choices can bend the trajectory toward healthier aging.


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Keto diet linked to reduced depression symptoms in college students - pilot study

A new pilot study shows an association between at least 10 weeks of following a well-formulated ketogenic diet and a roughly 70% decrease in depression symptoms among a small group of college students.


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Intake of low-, no-calorie sweeteners tied to faster cognitive decline

Consumption of low- and no-calorie sweeteners (LNCSs) is associated with faster cognitive decline, according to a study.


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Not so sweet: Some sugar substitutes linked to faster cognitive decline

Some sugar substitutes may come with unexpected consequences for long-term brain health, according to a study published in Neurology. The study examined seven low- and no-calorie sweeteners and found that people who consumed the highest amounts experienced faster declines in thinking and memory skills compared to those who consumed the lowest amounts.


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Could diet be fueling pregnancy hypertension? Saliva holds the clues

During pregnancy, the body becomes particularly vulnerable to chemical exposures that can affect both the mother and the developing fetus. These exposures—often from everyday sources like processed foods, packaging materials, and personal care products—introduce xenobiotic metabolites (XMs) into the body.


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Duration Effects of Micronutrients in Children with ADHD: Randomised Controlled Trial vs Open-Label Extension

Medications are the common treatment for ADHD, but their long-term efficacy is not well documented, and linked with negative side effects like sleep issues, slowed growth velocity and loss of appetite.


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What exactly are you eating? The nutritional ‘dark matter’ in your food

When scientists cracked the human genome in 2003 – sequencing the entire genetic code of a human being – many expected it would unlock the secrets of disease. But genetics explained only about 10% of the risk. The other 90% lies in the environment – and diet plays a huge part.


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Mediterranean diet may offset genetic risk of Alzheimer's

A Mediterranean-style diet may help reduce dementia risk, according to a new study published in Nature Medicine. Importantly, the findings also showed that these benefits were greatest for people at the highest genetic risk for Alzheimer's disease.


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New Research Warns: Outdated Fish Consumption Advice May Be Harming Children’s Brain Development

Experts call for an urgent update of official guidelines on fish and seafood in pregnancy, as new study of 300,000 mother–child pairs finds better brain development scores in children whose mothers eat more fish during pregnancy - and NO evidence of harm.


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Omega fatty acids could protect women against Alzheimer's, research suggests

Analysis of lipids—fat molecules that perform many essential functions in the body—in the blood found there was a noticeable loss of unsaturated fats, such as those that contain omega fatty acids, in the blood of women with Alzheimer's disease compared to healthy women.


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Diet rich in omega-3 fatty acids may help ward off shortsightedness in children

A diet rich in omega-3 fatty acids, found predominantly in fish oils, may help ward off the development of shortsightedness (myopia) in children, while a high intake of saturated fats, found in foods such as butter, palm oil, and red meat, may boost the risk of the condition, finds research published online in the British Journal of Ophthalmology.


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Studies show food additives could be harmful to the gut

Animal studies suggest that some food additives, such as artificial colorants and sweeteners, emulsifiers, and antimicrobial preservatives, could be harmful to gut health. A recent review published in The FASEB Journal summarizes the literature and finds that more clinical studies are needed to assess the potential impacts on humans, especially those with inflammatory bowel diseases. In the meantime, the authors suggest policy changes that could help people make more informed choices.