Medicine News

Women Consuming Caffeinated Coffee in Midlife are More Likely to Be Healthy Agers: Study

Mahdavi et al. aimed to investigate the association between caffeine intake in midlife and the likelihood of healthy aging in women in older adulthood in participants in the Nurses’ Health Study. Image credit: Sci.News.
Jun 3, 2025 by News Staff

In a new study led by scientists from Harvard T.H. Chan School of Public Health, caffeine and regular coffee intake in midlife were modestly and favorably associated with healthy aging and all its domains among women; however, no associations were observed with tea or decaffeinated coffee, whereas higher cola intake was associated with reduced likelihood of healthy aging and all its domains. Mahdavi et al. aimed to investigate the association between...

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Kim et al. hypothesize that the vast interindividual differences in shift work adaptation -- critical for shift worker health -- can in part be explained by biological mechanisms for seasonal timing. Image credit: Sasin Tipchai.

Humans are Seasonal Creatures, New Research Reveals

May 29, 2025 by News Staff

Daily biological functions such as sleep, heart rate and metabolism are timed by intracellular circadian clocks which exist within almost all cells throughout...

Yi Du et al. identified a light-responsive cell-intrinsic timer that controls time-of-day variations in antibacterial activity. Image credit: Summerstock.

Daylight Boosts Immune System’s Ability to Fight Infections: Study

May 26, 2025 by News Staff

In a new study, University of Auckland scientist Christopher Hall and his colleagues focused on neutrophils, a type of white blood cell that play a key...

Zhao et al. provide insights into the mechanisms for EGCG’s anticancer activity and identifies p53 N-terminal domain as a target for cancer drug discovery through dynamic interactions with small molecules. Image credit: Sci-News.com.

Study: Consuming Methyl Adaptogen-Rich Foods May Reduce Markers of Epigenetic Aging

May 21, 2025 by News Staff

Aging is the primary risk factor for developing non-communicable chronic diseases, necessitating interventions targeting the aging process. Outcome measures...

Flavan-3-ol-rich foods and supplements decrease blood pressure in particular in people with high blood pressure when consumed daily similar to medication. Image credit: Lagou et al., doi: 10.1093/eurjpc/zwaf173.

Compounds Found in Chocolate and Tea May Help Reduce Blood Pressure

May 14, 2025 by News Staff

Naturally occurring compounds called flavan-3-ols — found in cocoa, tea, apples and grapes — may improve blood pressure and the health of our...

Melissa Stadt & Anita Layton suggest increasing the ratio of dietary potassium to sodium intake may be more effective for lowering blood pressure than simply reducing sodium intake. Image credit: Melissa Stadt & Anita Layton, doi: 10.1152/ajprenal.00222.2024.

Ratio of Potassium to Sodium Intake Key to Regulating Blood Pressure, New Modeling Study Suggests

Apr 15, 2025 by News Staff

Excessive dietary sodium raises blood pressure, whereas a high potassium diet has the opposite effect. The underlying mechanisms are moderated by sex and...

Increased consumption of fruit, dietary fiber, dairy products and caffeine may be associated with a reduced risk of tinnitus. Image credit: Serp Pae.

Consuming Fruit, Dietary Fiber, Caffeine and Dairy May Be Associated with Reduced Risk of Tinnitus

Mar 20, 2025 by News Staff

The primary underlying mechanisms may involve the protective effects of these diets on blood vessels and nerves, as well as their anti-inflammatory and...

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.

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

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...

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...

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