A new survey reveals that 46% of Americans would consider eating a plant-based diet to help reduce greenhouse gas emissions. Shifting diets from meat and other animal products to plant-based diets has a high potential for reducing carbon footprints and mitigating climate change, as well as improving human health.
A study of 11,488 participants found that a Planetary Health Diet (PHD) and Mediterranean Diet had similar effects on all-cause mortality and environmental impact. Higher adherence to either diet was linked to lower mortality rates and comparable low environmental footprint.
A study from Tanzania found that a Western diet can cause inflammation and reduce immune response, while an African diet rich in vegetables and fermented foods has positive effects on the immune system. The study suggests that short-term dietary changes can have long-lasting effects on health.
A new study from Cedars-Sinai examined the effectiveness of a specialized diet in improving symptoms of gastrointestinal disorders linked to an imbalance in gut microbiota. The research found that most participants reported tolerating the diet well and experienced significant relief from common symptoms like bloating and discomfort.
A new study in The Journal of Immunology reveals how a high-fat diet can impair the immune system's ability to respond to infection. Male mice fed a high-fat diet exhibited impaired neutrophil function, including reduced bacterial killing capacity and abnormal gene expression.
A new study by Penn State researchers found that consuming pecans instead of usual snacks improved cholesterol levels and enhanced overall diet quality. Participants who ate pecans demonstrated reductions in cholesterol measurements linked to poorer heart health and higher adherence to the Dietary Guidelines for Americans.
SourcePenn State·JournalAmerican Journal of Clinical Nutrition·TypeRandomized controlled/clinical trial·DateMar 17, 2025
Researchers from the University of Toronto have shown that a low-carb diet can worsen the DNA-damaging effects of certain gut microbes, increasing the risk of colorectal cancer. A unique strain of E. coli bacteria was found to drive polyp growth in the colon when paired with a low-carb diet.
A study by King's College London found that a diet high in plant-based foods and low in saturated fats may help reduce psoriasis severity. Individuals with lower adherence to the DASH dietary pattern were more likely to report higher psoriasis severity, while those consuming more fruits, nuts, and legumes had less severe symptoms.
A pilot study will explore whether a ketogenic diet helps stabilize mood symptoms in teens and young adults with bipolar disorder. Preliminary research suggests improvements in mood and executive function among older adults.
A Mediterranean-style diet was associated with improved brain health in Hispanic/Latino adults, showing enhanced communication between brain regions and reduced white matter atrophy. The study used specialized imaging techniques to investigate the effects of diet on brain integrity.
A new study reveals that a non-industrialized diet can significantly reduce the risk of chronic diseases such as obesity, diabetes, and heart disease. The diet, called NiMe TM, improved gut microbiome features damaged by industrialization, leading to beneficial changes in cardiometabolic markers.
Researchers found that adolescent rodents fed a high-fat diet showed poor control during motor inhibition tasks and conservative decision-making in adulthood. The study suggests that a high-fat diet in adolescence can provoke long-term changes in impulsive behavior.
The DASH Diet has been ranked as the best heart-healthy diet and second-best overall in US News & World Report's 2025 rankings. Developed by Pennington Biomedical Research Center scientists, the diet emphasizes fruits, vegetables, and whole grains, while reducing saturated fat and added sugars.
A new Tulane University study suggests that the Mediterranean diet's brain-boosting benefits may work by changing the balance of bacteria in the gut. Researchers found that subjects following a Mediterranean diet developed distinctly different gut bacteria patterns compared to those eating a typical Western diet.
A new study found that a low omega-6, high omega-3 diet with fish oil supplements significantly reduced prostate cancer cell proliferation in men. The findings suggest that dietary changes could potentially delay or prevent the need for more aggressive treatments.
A study from Tulane University found that a low-protein diet in one generation can lead to lower birthweights and smaller kidneys in offspring across multiple generations. The findings suggest that food scarcity or malnutrition may result in decades of adverse health outcomes.
Researchers used MRI to investigate how a gluten-free diet affects people with coeliac disease, finding improved gut symptoms but persistent issues. The study also identified changes in the gut microbiome, suggesting potential prebiotic treatments.
A low-fat vegan diet cuts food costs by 19% or $1.80 per day, saving consumers over $650 a year on groceries. The study also found that a Mediterranean diet cost 60 cents more per day compared to the standard American diet.
A low-carbohydrate diet may improve beta-cell function in people with type 2 diabetes, allowing them to better manage their disease and possibly discontinue medication. The study found that participants on a low-carb diet showed significant improvements in acute and maximal beta-cell responses compared to those on a high-carb diet.
Researchers found that ultra-processed foods, including diet options, bring distinct risks for people with type 2 diabetes. Consuming more ultra-processed foods is closely linked with higher blood sugar levels, while a diet rich in minimally processed or unprocessed foods improves control.
Researchers discovered that those following the MIND diet closely had a reduced risk of cognitive impairment compared to low-diet adherents. The high-diet group showed a 4% decreased risk of cognitive decline, with significant benefits for female participants and Black individuals.
A new study from Lund University found that a starch and sucrose-reduced diet is as effective in reducing IBS symptoms as the current recommended FODMAP diet. The study showed significant improvements in 75-80% of patients, with greater weight loss and reduced sugar cravings in the reduction group.
Research found that babies born to pregnant women consuming high-fat, high-energy diets are more likely to develop heart problems and diabetes as adults due to fetal damage. Consuming a high-fat diet during pregnancy also increases the likelihood of insulin resistance in adulthood.
Scientists discovered a way to kill pancreatic cancer in mice by combining a ketogenic diet with an existing cancer drug. The diet blocks the cancer's only source of fuel, allowing the drug to take effect and shrink tumors. This finding opens a new vulnerability for treating cancer with diet and personalized therapies.
A new study published in Frontiers in Nutrition found that a low-fat vegan diet reduces advanced glycation end-products (AGEs) by 73%, associated with an average weight loss of 13 pounds. The reduction came mainly from excluding meat, added fats, and dairy products.
A recent study published in Nutrition and Health suggests that following a Mediterranean diet can lower perceived stress levels. The research, conducted by Binghamton University, found an association between consuming Mediterranean diet components and reduced mental distress.
A new study published in Cell Reports Medicine found that a ketogenic diet can reduce beneficial gut bacteria and increase unfavorable fats in the blood. The diet, which is high in fat and low in carbohydrates, may have long-term health implications such as increased risk of heart disease and stroke.
A balanced diet rich in fruits, vegetables, whole grains, and legumes can lower cancer risk by repairing cells and reducing inflammation. Further research is necessary to clarify the relationships between diet, supplements, and cancer prevention.
A study published in BMC Medicine found that an eight-week vegan diet reduced biological age estimates by analyzing DNA methylation levels. The research, conducted on 21 pairs of identical twins, showed decreases in biological age and organ systems' ages for those who followed a vegan diet.
A new study reveals that a balanced diet is essential for honeybees' optimal health and task performance. An unbalanced diet with a high omega-6:3 ratio delays the onset of nursing, reduces nursing frequency, and alters care for larvae.
New studies suggest a simplified, less restrictive low FODMAP diet may be effective for managing irritable bowel syndrome (IBS). The alternative 'FODMAP-simple' diet restricts only fructans and galacto-oligosaccharides without restricting other FODMAP groups. This approach may reduce symptoms and improve patient adherence to the diet.
A recent study published in Nature Medicine confirms the health benefits of a diet high in unsaturated plant fats, such as the Mediterranean diet. The research used lipidomics to measure diet-related fat changes in the blood and link them to disease risk.
An Italian study found that adherence to the Mediterranean Diet after a cancer diagnosis is associated with reduced mortality, especially from cardiovascular disease. Participants who followed a high-Mediterranean-Diet pattern had a 32% lower risk of mortality compared to those with lower adherence.
A new study from the University of Eastern Finland finds that a healthy diet is associated with lower blood glucose levels and a reduced risk of prediabetes and type 2 diabetes. The association holds true for individuals with both low and high genetic risk, suggesting a universal benefit of healthy eating.
A high-fat diet in adolescent rats disrupts resident gut bacteria, alters behavior, and influences brain chemicals to fuel anxiety. The study also found a link between the high-fat diet and altered expression of genes involved in serotonin production.
A new study found that Americans are eating better, but disparities in diet quality persist among marginalized communities. The proportion of adults with poor dietary quality decreased from 48.8% to 36.7% between 1999 and 2020, while those with intermediate diet quality increased.
A ketogenic diet has been shown to improve memory and healthspan in aging mice by activating a critical signaling pathway. The study found that the main ketone body produced during a ketogenic diet, BHB, plays a crucial role in activating this pathway.
A study of 30 volunteers found that a poor diet can lead to changes in neurotransmitters and grey matter volume, commonly associated with depression and anxiety. Adhering to a Mediterranean-style diet was shown to prevent these changes.
Research at Helmholtz Munich found that a father's body weight can affect the weight of their child and increase susceptibility to metabolic diseases. The study suggests that paternal diet influences gene expression in early embryos, affecting the development and health of offspring.
Researchers found a significant association between higher Mediterranean diet intake and lower risk of death from cancer and cardiovascular disease. The study's findings suggest that modest changes in established risk factors can yield substantial long-term benefits from following a Mediterranean diet.
A new study predicts that future climate change will disrupt humpback whales' krill-heavy diet, as their primary prey item Antarctic krill becomes less abundant. The research found that all tested whale populations relied on Antarctic krill, which is essential for their migratory lifestyle.
A new study led by UT Health San Antonio found that long-term ketogenic diets can induce senescence, or aged cells, in normal tissues, affecting heart and kidney function. However, an intermittent ketogenic diet regimen eliminated these pro-inflammatory effects.
A new study by the University of Liverpool revisits data suggesting a nutritionally-sound vegan diet is the healthiest choice for dogs. The analysis reveals that associations between dog diet and owner perceptions of health are minimal, with other variables such as age, breed, and veterinary care having stronger associations.
The ACLM Diet Screener is a 27-item assessment tool that captures a picture of overall diet and includes simple measures understandable for patients. The screener features food categories and pictures to ensure easy understanding by all patients, with nearly 90% of clinicians reporting it's brief enough for clinical use.
A study led by Universitat Rovira i Virgili reveals the mechanism behind a diet high in saturated fats and Alzheimer's disease, showing that a high-fat diet can worsen insulin-related miRNAs and lead to brain damage.
A new study published in Nature Communications found that a father's diet can affect the anxiety-like behavior of his sons and the metabolic health of his daughters. The researchers fed male mice different diets and observed significant differences in their offspring's behavior and physiology.
A new study published in JNCI Cancer Spectrum found that following a healthy diet, such as the DASH diet, lowers the risk of cardiovascular disease in breast cancer survivors. Women whose diets were most similar to DASH had a 47% lower risk of heart failure and other cardiovascular-related events.
A new USC-led study on rats that fed a high-fat, sugary diet during adolescence found impaired memory and disrupted acetylcholine levels. The researchers suggest that a junk food-filled diet in teens may disrupt their brains' memory ability for a long time.
A new GSA publication highlights the importance of nutrition in maintaining healthy brain function and reduces cognitive decline. The Mediterranean-DASH Diet Intervention for Neurodegenerative Delay (MIND) diet is shown to improve cognition, with individuals consuming this pattern experiencing better cognitive abilities than those aged...
A low-fat vegan diet was found to reduce insulin needs by 28% and improve insulin sensitivity by 127% in people with type 1 diabetes, according to a groundbreaking new study. The diet also led to improvements in cholesterol levels, kidney function, and weight.
A team led by Kristina Petersen and Penny Kris-Etherton found that eating avocados daily significantly increased participants' adherence to dietary guidelines. The study suggested that using avocados as a substitute for refined grains and sodium may play a role in achieving improved diet quality.
SourcePenn State·JournalCurrent Developments in Nutrition·TypeRandomized controlled/clinical trial·DateMar 22, 2024
A ketogenic diet significantly delays early stages of Alzheimer's-related memory loss in mice, according to a new study published in Communications Biology. The molecule beta-hydroxybutyrate (BHB) is found to play a pivotal role in preventing this decline, improving synaptic function and memory formation.
A fasting-mimicking diet has been shown to reduce signs of immune system aging, insulin resistance, and liver fat in humans, resulting in a lower biological age. The study found that patients who followed the diet had lower disease risk factors and improved immune function.
A large-scale analysis found that people eating healthy, plant-based diets were 19% less likely to suffer from obstructive sleep apnea (OSA), while those on unhealthy diets were at a 22% higher risk. The study suggests that diet quality plays a crucial role in managing OSA risk.
A study of over 3,500 men with prostate cancer found that a plant-based diet significantly improved measures of sexual function, urinary health, and vitality scores. The research suggests that adding more fruits and vegetables to the diet while reducing meat and dairy can have a positive impact on quality of life.
A study found distinct immune responses occur quickly when diets change, with the vegan diet prompting innate immunity and the keto diet adaptive immunity. Metabolic changes and microbiome shifts were also observed, highlighting the need for further research on the health effects of these dietary interventions.
A high quality diet at 1 year of age is associated with a lower IBD risk, particularly when high fish intake and higher vegetable consumption are present. A medium or high quality diet reduces overall IBD risk by 25% compared to low quality diet, while sugar-sweetened drink consumption increases the risk.
A moderate low-carbohydrate diet has been shown to lower average blood sugar levels and increase time spent within the target glucose range without adverse effects. Participants experienced improved glucose control and felt more satisfied with the new diet.
A new UCLA study found that the ketogenic diet alters key gut microbiome functions related to fatty acid oxidation and amino acid metabolism in pediatric epilepsy patients. These changes confer seizure resistance in mice when transplanted fecal matter is used, holding promise for new microbiome-based therapies.
Researchers found that switching fruit flies to a low-calorie diet extends their lifespan, even in old age. This study suggests that obese humans may benefit from reducing calorie intake in old age, as it can dramatically change their metabolisms and extend their lives.