Medicine News

Exercise that Strengthens Muscles is Most Effective Way to Enhance Sleep Quality in Older Age

Resistance or muscle strengthening exercise, using weights or the body itself, may be the best type of exercise for tackling insomnia in older age. Image credit: Engin Akyurt.
Mar 5, 2025 by News Staff

A new systematic review and network meta-analysis of randomized controlled trials shows that exercise, particularly strengthening exercise and aerobic exercise, is beneficial for enhancing subjective sleep quality at a clinically significant level compared with normal activities, which is consistent with previous studies; strengthening has the highest efficacy, followed by aerobic exercise and combination exercise. Resistance or muscle strengthening...

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Samuthpongtorn et al. report that citrus intake and its components are prospectively associated with a lower risk of depression and altered abundance of 15 gut microbial species, including enriched Faecalibacterium prausnitzii. Image credit: Hans.

Citrus Fruit Consumption Helps Protect against Depression via Gut Microbiome: Study

Feb 26, 2025 by Natali Anderson

New research demonstrates a potential protective role of citrus fruit on the incidence of depression and suggests that Faecalibacterium prausnitzii, a...

Eating walnuts for breakfast could improve brain function for healthy young adults. Image credit: Tim Ulama.

Study: Walnut-Rich Breakfast Enhances Cognitive Performance throughout the Day

Feb 24, 2025 by Enrico de Lazaro

Eating 50 grams of walnuts mixed into muesli and yoghurt led to faster reaction times throughout the day and better memory performance later in the day...

This electron micrograph depicts an amoeba, Hartmannella vermiformis (orange), as it entraps a Legionella pneumophila bacterium (green) with an extended pseudopod. Image credit: Barry S. Fields / CDC.

Swimming in Lakes with Still Water Can Lead to Legionella Infection, Researchers Say

Feb 18, 2025 by Enrico de Lazaro

Legionella is an atypical cause of community-acquired pneumonia that often presents with a prodrome of fever, malaise, fatigue, and occasionally diarrhea...

Consuming one gram of omega-3 per day may slow down the rate of biological ageing in humans. Image credit: Lqiuz.

Study: Omega-3 Supplementation May Slow Biological Aging

Feb 4, 2025 by News Staff

A new clinical trial involving over 700 older adults over a three-year period provides evidence supporting the geroprotective benefits of omega-3 supplementation...

Scratching synergizes with FcεRI mast cell activation to drive allergic skin inflammation. Image credit: Liu et al., doi: 10.1126/science.adn9390.

Scratching an Itch Promotes Allergic Inflammation, Study Shows

Jan 31, 2025 by News Staff

Itch is a dominant symptom in dermatitis (eczema), and scratching promotes cutaneous inflammation, thereby worsening disease. However, the mechanisms through...

Elderberry is a small dark purple berry found on elder trees native to Europe. Image credit: TheOtherKev.

Study: Anthocyanin-Dense Elderberry Juice May Be Potent Tool for Weight Management

Jan 13, 2025 by News Staff

Daily consumption of elderberry juice for one week (12 ounces of the juice daily) significantly increases gut microbial communities associated with health...

Wang et al. highlight the importance of considering drinking timing in the association between the amounts of coffee intake and health outcomes. Image credit: Sci.News.

Morning Coffee Consumption May Have Beneficial Effects on Cardiovascular Health

Jan 8, 2025 by News Staff

Drinking coffee in the morning may be more strongly associated with a lower risk of mortality than drinking coffee later in the day, according to a new...

Coffee consumption in patients with atrial fibrillation may be associated with improved cognitive performance and reduced inflammatory markers. Image credit: Sci.News.

Coffee Consumption May Help Improve Cognitive Performance in Patients with Atrial Fibrillation

Dec 23, 2024 by Enrico de Lazaro

Atrial fibrillation is an independent risk factor for the development of cognitive impairments. Regular coffee consumption has shown cognitive benefits...

Dayan et al. found that although large language models show remarkable proficiency in several cognitive domains, they show notable deficits in visuospatial and executive functions, akin to mild cognitive impairment in humans.

Almost All Leading Large Language Models Show Signs of Mild Cognitive Impairment: Study

Dec 20, 2024 by News Staff

With the exception of ChatGPT 4o, almost all publicly available large language models subjected to a test called the Montreal Cognitive Assessment (MoCA)...

Added sugar intake was positively associated with ischemic stroke and abdominal aortic aneurysm, although the highest risks of most outcomes were found in the lowest intake category; positive linear associations were found between toppings intake and abdominal aortic aneurysm, and between sweetened beverage intake and ischemic stroke, heart failure, atrial fibrillation, and abdominal aortic aneurysm; negative linear associations were found between treats intake (pastries, ice cream, chocolate, and sweets) and all outcomes, and between toppings intake (table sugar, honey, jams, and marmalades) and heart failure and aortic stenosis. Image credit: Ernesto Rodriguez.

Drinking Sweetened Beverages Significantly Increases Cardiovascular Disease Risk, Study Suggests

Dec 10, 2024 by News Staff

In a new study published in the journal Frontiers in Public Health, scientists investigated the associations between intake of added sugar and various...

Intake of dark chocolate instead of milk chocolate may be associated with a lower risk of type 2 diabetes. Image credit: Sci.News.

Increased Consumption of Dark, But Not Milk, Chocolate Reduces Type 2 Diabetes Risk: Study

Dec 6, 2024 by News Staff

Consumption of at least five servings of dark chocolate a week (one serving is equal to a standard chocolate bar/pack or 1 oz) compared with rare consumption...

In the systematic review of 18 randomized clinical trials, interventions of increased water intake (or decreased intake in one study) were associated with statistically significant greater weight loss and fewer nephrolithiasis events; single studies suggested benefits related to migraine prevention, urinary tract infection, diabetes control, and hypotension but did not reach statistical significance. Image credit: Günter.

Drinking Plenty of Water Can Provide Number of Health Benefits, New Review Says

Nov 28, 2024 by News Staff

Drinking enough water can help with weight loss and prevent kidney stones, as well as migraines, urinary tract infections and low blood pressure, according...

β-Hydroxybutyrate (BHB) is an abundant ketone body. To date, all known pathways of BHB metabolism involve the interconversion of BHB and primary energy intermediates. Moya-Garzon et al. identified a previously undescribed BHB secondary metabolic pathway via CNDP2-dependent enzymatic conjugation of BHB and free amino acids. Image credit: Moya-Garzon et al., doi: 10.1016/j.cell.2024.10.032.

Metabolic Compound Found to Regulate Appetite and Body Weight

Nov 13, 2024 by News Staff

Until now, β-hydroxybutyrate (BHB) has been known as a compound produced by the liver to be used as fuel. In a new study, researchers discovered that...

Pistachios are the only nut that provides a measurable source of lutein, a powerful antioxidant that helps protect the eyes. Image credit: Erika Varga.

Daily Consumption of Pistachios Could Be Effective Dietary Strategy for Preserving Eye Health

Oct 25, 2024 by News Staff

Dietary interventions with pistachios — a bioavailable source of the xanthophyll lutein — are efficacious in increasing macular pigment optical...

Ancient humans. Image credit: sjs.org / CC BY-SA 3.0.

Early Humans Were Infected by Two Distinct Types of Helicobacter Bacteria, New Study Reveals

Oct 21, 2024 by News Staff

Two ecospecies of Helicobacter pylori — named ‘Hardy’ and ‘Ubiquitous’ — co-existed in the stomachs of modern humans since before they...

Dawson et al. suggest that occupational therapists should consider offering or recommending weighted blankets as a sleep intervention option for people of all ages, alongside consideration of individuals’ preferences. Image credit: Martin de Arriba.

Weighted Blankets are Effective in Improving Sleep, New Review Says

Oct 21, 2024 by News Staff

Weighted blankets can help to improve sleep in adults with insomnia and other mental health conditions, including anxiety and depression, but results are...

Strawberries are a natural and delicious way to support heart health and manage cholesterol. Image credit: D. Сroisy.

Study: Regular Strawberry Consumption May Improve Heart Health and Manage Cholesterol

Oct 18, 2024 by News Staff

Daily strawberry consumption (between one and four cups per day) improves outcomes of lipid metabolism and inflammation in those at increased cardiovascular...

Orefice et al. studied the role of caffeine intake on endothelial function in lupus patients by assessing its effect on circulating endothelial progenitor cells. Image credit: Sci.News.

Consuming More Caffeine Improves Vascular Health, New Study Suggests

Oct 9, 2024 by News Staff

In a study led by the Sapienza University of Rome, caffeine intake was positively correlated with the percentage of circulating endothelial progenitor...

Cryo-EM structure of α-latrotoxin in two distinct tetrameric states. Image credit: Klink et al., doi: 10.1038/s41467-024-52635-5.

Researchers Decode Structure of Vertebrate-Specific Toxin in Black Widow Spider Venom

Oct 8, 2024 by News Staff

The venom of black widow spiders contains a cocktail of seven specific latrotoxins, but only one — α-latrotoxin — targets vertebrates, including...

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