Medicine News

Higher Vitamin D in Midlife May Be Associated with Lower Levels of Alzheimer’s Biomarker Years Later

Vitamin D3 may be effective in the treatment of hypertension and other cardiovascular diseases, including heart failure, myocardial infarction, vasculopathy, stroke and diabetes. Image credit: Aloísio Costa Latgé.
Apr 2, 2026 by News Staff

In new research, University of Galway’s Dr. Martin David Mulligan and his colleagues followed nearly 800 participants from the Framingham Heart Study for more than a decade and a half, examining whether vitamin D levels measured in their 30s were linked to changes in the brain in later life. They found that individuals with higher circulating levels of vitamin D had lower accumulations of tau — a protein that forms damaging tangles in the...

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Gubatan et al. demonstrate that vitamin D promotes immune tolerance to gut microbiota in patients with inflammatory bowel disease. Image credit: Gubatan et al., doi: 10.1016/j.xcrm.2026.102703.

Vitamin D Shows Promise in Resetting Immune System in Inflammatory Bowel Disease

Mar 26, 2026 by News Staff

New research suggests that vitamin D supplements can reshape how the immune system responds to gut bacteria in patients with inflammatory bowel disease,...

The occasional use of stone tools as ‘strike-a-lights’ was a technocultural feature shared among Neanderthals in France.

Neanderthals May Have Used Birch Tar as Natural Antibiotic

Mar 18, 2026 by News Staff

New experiments show that tar made from birch bark — long known as a tool adhesive — can inhibit harmful bacteria such as Staphylococcus aureus,...

Li et al. evaluated the two-year effect of daily multivitamin-multimineral supplements and cocoa extract (500 mg cocoa flavanols per day, including 80 mg epicatechin) on five DNA methylation measures of biological aging among 958 participants (482 women and 476 men) in the COSMOS study. Image credit: Ri Butov.

New Research Links Daily Multivitamins to Slower Biological Aging

Mar 11, 2026 by News Staff

In a randomized clinical trial of older adults, researchers found that taking multivitamins for two years modestly slowed epigenetic markers of aging —...

In adults with prediabetes, daily inclusion of avocado and mango increases fruit consumption, diversifies nutrient composition, and improves vascular function associated with cardiovascular health. Image credit: Tomek Walecki.

Avocado and Mango Daily Might Boost Vascular Health in Adults with Prediabetes

Feb 25, 2026 by Natali Anderson

Adding one avocado and a cup of mango each day improves vascular health indices and reduces key cardiometabolic risk factors in people with elevated blood...

Extra-virgin olive oil, a major component of the Mediterranean diet, protects against cognitive decline. Image credit: Steve Buissinne.

Virgin Olive Oil Tied to Slower Cognitive Decline through Gut Microbiome Changes

Feb 24, 2026 by Natali Anderson

A large prospective cohort study finds that older adults who eat more virgin olive oil — a key component of the Mediterranean diet — have slower...

Isolated colonies of Psychrobacter SC65A.3 on R2A medium at 4 degrees Celsius (A) and on TSA medium at 15 degrees Celsius (B). Image credit: Ioana Paun et al., doi: 10.3389/fmicb.2025.1713017.

Multidrug-Resistant Bacterial Strain Found Preserved in 5,000-Year-Old Cave Ice

Feb 17, 2026 by Natali Anderson

Scientists have isolated a new strain of the Psychrobacter cryohalolentis species from 5,000-year-old ice from Scarisoara Ice Cave in Romania. Remarkably,...

Pecans are a tree nut native to America with a rich content of unsaturated fatty acids, minerals, fiber, and a diverse array of bioactive components, including polyphenols, tocopherols, and phytosterols.

Pecan Consumption Improves Cardiovascular Health and Diet Quality, New Review Shows

Feb 11, 2026 by Natali Anderson

New research reviewing decades of nutritional studies suggests that pecans — rich in polyphenols, healthy fats, and fiber — may improve diet...

Zhang et al. determined that moderate caffeinated coffee and tea intake can lower dementia risk. Image credit: Sci.News.

Moderate Caffeinated Coffee and Tea Consumption Can Lower Dementia Risk

Feb 11, 2026 by News Staff

In one of the largest prospective cohort studies to date, moderate consumption of caffeinated coffee (2-3 cups a day) or tea (1-2 cups a day) correlated...

Vaccinium angustifolium. Image credit: Σ64 / CC BY 3.0.

Wild Blueberries Show Promise in Fight against Heart Disease and Diabetes

Jan 27, 2026 by Enrico de Lazaro

Wild blueberries (Vaccinium angustifolium) are North American perennial plants rich in polyphenols, including flavonoids, beneficial to human health. A...

Díaz-Muñoz et al. identified therapeutically tractable mechanisms involved in the control of gut motility, including a previously unrecognized role for vitamin B1. Image credit: Hillman et al., doi: 10.1264/jsme2.ME17017 / CC BY 4.0.

Genes Tie Gut Motility to Surprising Nutrient: Vitamin B1

Jan 26, 2026 by News Staff

Analyzing data from more than 268,000 people, researchers found that genes involved in thiamine (vitamin B1) metabolism play a key role in gut motility,...

DeCasien et al. provide the first empirical data showing the direct role the gut microbiome plays in shaping differences in the way the brain functions across different primate species. Image credit: DeCasien et al., doi: 10.1073/pnas.2426232122.

Gut Microbes Played Role in Evolution of Human Brain, New Study Suggests

Jan 5, 2026 by News Staff

Compared to other primates, humans have remarkably large brains relative to their body sizes. The resultant high demands for glucose may have been supported...

Severity of Alzheimer’s disease correlates with NAD+ homeostasis dysregulation. Image credit: Chaubey et al., doi: 10.1016/j.xcrm.2025.102535.

New Research Reveals Potential Path to Alzheimer’s Recovery by Targeting Cellular Energy Deficits

Dec 30, 2025 by News Staff

Alzheimer’s disease (AD) is traditionally considered irreversible. However, a team of scientists led by Case Western Reserve University, University Hospitals...

The evolution of antibiotic resistance genes is linked to intrinsic physiological roles and ecological divisions. Image credit: Xu et al., doi: 10.48130/biocontam-0025-0014.

Antibiotic Resistance is Ancient Feature of Microbial Life, New Review Says

Dec 25, 2025 by News Staff

The dissemination of antibiotic resistance genes poses a severe and global threat to public health. A new comprehensive review by Hohai University scientists...

Saad et al. show that the reported beneficial links between theobromine intake on health and aging extend to the molecular epigenetic level in humans. Image credit: Sci.News.

Theobromine: Chemical Found in Dark Chocolate Could Have Anti-Aging Properties

Dec 15, 2025 by Natali Anderson

Scientists at King’s College London have identified strong links between theobromine, a common plant compound that comes from cocoa, and measures of...

Vitamin C (ascorbate) is found in all skin compartments. Pullar et al. carried out a comprehensive investigation to establish the relationship between plasma and skin ascorbate levels, with a focus on the major skin compartments. Image credit: Pullar et al., doi: 10.1016/j.jid.2025.10.587.

Collagen Production and Skin Renewal Directly Respond to Amount of Vitamin C We Consume: Study

Dec 8, 2025 by News Staff

Skin vitamin C levels are closely tied to levels of the vitamin in the blood (plasma) and can be boosted by increasing fruit intake, according to a new...

Ahmed et al. suggest that black cumin seed (Nigella sativa) may serve as a promising natural agent in obesity-related conditions. Image credit: Andre Holz / CC BY-SA 3.0.

Black Cumin Has Anti-Obesity Benefits, New Study Shows

Nov 19, 2025 by News Staff

Black cumin seeds have traditionally been valued for their medicinal properties. In a new study, researchers explored its potential in addressing obesity-related...

Long-term use of melatonin supplements, often used to promote sleep and address insomnia, was associated with a higher risk of heart failure diagnosis. Image credit: Gemini AI.

Long-Term Use of Melatonin Associated with Negative Health Effects

Nov 4, 2025 by News Staff

A review of five years of health records for more than 130,000 adults with insomnia who had used melatonin for at least a year found they were more likely...

Consuming high-flavanol foods during sedentary periods may be used alone or in combination with other strategies (e.g. breaking up sitting) to reduce the impact of inactivity on the vascular system. Image credit: Daniele et al., doi: 10.1113/JP289038.

Study: Flavanol-Rich Foods Protect Vascular Health in Men from Harmful Effects of Prolonged Sitting

Nov 3, 2025 by News Staff

Prolonged sitting temporarily impairs vascular function and blood pressure. Dietary strategies during sitting may ameliorate or aggravate the effects of...

Cardamom (Elettaria cardamomum) seeds. Image credit: Karyna Panchenko.

Cardamom Seed Extract Can Enhance Production of Antiviral Proteins, Study Says

Oct 14, 2025 by News Staff

Cardamom (Elettaria cardamomum) seed extract as well as its main bioactive ingredient, 1,8-cineole, have the potential to act as a beneficial antiviral...

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