Which plant-based diet is healthiest and most sustainable

	Nutrition
	The latest nutrition news from News Medical

	Which plant-based diet is healthiest and most sustainable Vegan and vegetarian diets deliver nutrient adequacy on par with Mediterranean diets, while lowering carbon footprints and promoting environmental health.

	Are mushrooms more than a low-calorie food? New analysis explains their hidden advantages Whole mushroom consumption shows consistent benefits for cardiometabolic health, lowering triglycerides in self-chosen diets and improving fasting glucose in a single healthy dietary pattern trial. Early evidence also suggests increases in salivary IgA and possible blood pressure improvements, with no adverse biomarker effects reported.

	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.

	Red meat raises inflammation marker CRP in clinical trials The review analyzes red meat's effects on inflammatory biomarkers, revealing significant associations with CRP in specific adult subgroups and dietary contexts.

	Low-glutamate diet improves migraine symptoms in veterans with Gulf War Illness Veterans with Gulf War Illness experienced significant improvement in migraine symptoms after following a diet low in glutamate, a component of flavor enhancing food additives commonly found in processed foods, according to new research presented by Georgetown University and American University scientists.

			Reclassifying wine intake reshapes the Mediterranean diet’s cognitive impact Higher adherence to the Mediterranean diet was not associated with better cognition when wine was scored as a “beneficial” component. When wine was reverse scored, Mediterranean diet adherence showed a modest positive association with MMSE performance and a borderline link with MoCA in Portuguese older adults at high dementia risk.

			Preclinical study shows aged garlic extract improves memory and reduces anxiety Long-term aged garlic extract supplementation improved specific anxiety-related behaviors and enhanced memory and learning in aging mice. Proteomic profiling revealed extensive hippocampal and cortical molecular changes linked to synaptic signaling, neuroplasticity, and stress-response pathways.

			High protein breakfasts help you feel fuller but do not change how much you eat later High protein breakfasts, whether plant or animal-based, boosted GLP-1 and PYY and modestly reduced appetite compared with a low protein, high carbohydrate meal. Despite these hormonal and appetite changes, lunchtime energy intake remained unchanged in both younger and older adults.

			Tirzepatide reveals a brain signal that predicts returning food preoccupation Researchers implanted electrodes in the human nucleus accumbens to track brain activity during severe food preoccupation in an individual taking tirzepatide. They found that a delta–theta biomarker disappeared during symptom-free periods and re-emerged weeks before relapse, suggesting a possible neural marker of vulnerability to dysregulated eating.

	Dash diet cuts diabetes complications by targeting blood pressure kidney health and inflammation The DASH diet supports metabolic health in people with diabetes by improving blood pressure, renal function, lipids, and modest glycemic markers while reducing risks linked to vascular and inflammatory pathways. Its broad nutrient-driven mechanisms also benefit related conditions such as neuropathy, PCOS, and retinopathy, making it a versatile tool for cardiometabolic care.

	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.

	New review reveals which baby foods carry the highest heavy metal risks This scoping review found that more than 60 percent of infant formulas and baby foods worldwide contain detectable levels of cadmium, lead, and arsenic, with mercury present in more than 30 percent of products. The highest concentrations and regulatory exceedances occurred in baby foods containing fish, rice, and cereals, underscoring persistent global safety gaps.

	Brain recordings reveal short-lived effects of tirzepatide on food cravings A rare glimpse into the brain activity of a patient with obesity and loss of control eating on tirzepatide, marketed as Mounjaro and Zepbound, revealed that the medication suppresses signaling in the brain's "reward center" thought to be involved in food noise – but only temporarily.

	Ultra-processed foods linked to precursors of early-onset colorectal cancer Colorectal cancer used to be associated with old age, but diagnoses have become increasingly common in adults aged 50 or younger particularly in high-income countries like the United States.

	Experts call for bold policies to curb the health harms of ultra-processed foods The increase of UPFs in diets worldwide presents an urgent challenge to health that demands coordinated policies and advocacy action to address, says a new three paper Series authored by 43 global experts and published in The Lancet. The Series exposes the tactics UPF companies use to drive consumption and prevent effective policy.

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