Medicine News

Optimal Hydration Slows Down Aging Process, New Study Suggests

Dmitrieva et al. tested the hypothesis that optimal hydration may slow down the aging process. Image credit: StockSnap.
Jan 2, 2023 by News Staff

In a large population-based observational study with a long 25-years follow-up, scientists at the National Heart Lung and Blood Institute analyzed links between serum sodium levels — which go up when fluid intake goes down — and various indicators of health. They found that adults with serum sodium levels at the higher end of a normal range were more likely to develop chronic conditions and show signs of advanced biological aging than...

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The SMART 5-A-DAY app tells the user whether they have consumed a full or partial portion, what is needed to make up a full portion, and keeps a running tally of their progress to 5 a day. Image credit: Bournemouth University.

New Mobile Phone App to Help People Reach Target of Eating 5 Portions of Fruits, Vegetables a Day

Dec 29, 2022 by News Staff

The SMART 5-A-DAY app is available in the Google Play Store for Android phones from December 29, 2022. It tells users whether they are eating the right...

Creative rendition of SARS-CoV-2, displaying 3D prints of virus particles (colorized red and teal/blue; the red virus surface is covered with teal/blue spike proteins that enable the virus to enter and infect human cells), and a background image that is a colorized scanning electron micrograph of a cell (blue) infected with the Omicron strain of the virus (red). Image credit: NIAID.

Researchers Explore Relationship between COVID-19 and Fatty Liver Disease

Dec 12, 2022 by News Staff

Scientists led by the Storr Liver Centre at the University of Sydney’s Westmead Institute for Medical Research have identified a gene — called...

In older women, greater habitual dietary flavonoid intake associates with less extensive abdominal aortic calcification. Image credit: Parmenter et al., doi: 10.1161/ATVBAHA.122.318408.

Flavonoid-Rich Diet May Lower Cardiovascular Risks in Older Women

Nov 29, 2022 by News Staff

In a study of 881 elderly women, a team of researchers from Edith Cowan University and elsewhere found that the participants were far less likely to have...

Carter et al. compared postprandial changes in appetite-regulating hormones and self-reported appetite ratings after consuming almonds or an isocaloric carbohydrate-rich snack bar. Image credit: PIRO.

Almond Consumption May Reduce Risk of Obesity: Study

Nov 22, 2022 by News Staff

A snack of 30-50 grams of almonds could help people cut back on the number of calories they consume each day, according to a new study led by University...

Dillard et al. aimed to determine the prevalence of unsafe listening practices from exposure to personal listening devices and loud entertainment venues in individuals aged 12-34 years, and to estimate the number of young people who could be at risk of hearing loss from unsafe listening worldwide. Image credit: Gigxels.

Study: Unsafe Listening Practices Place Over One Billion Young People at Risk of Hearing Loss

Nov 17, 2022 by Natali Anderson

Unsafe listening practices from use of personal listening devices and attendance at loud entertainment venues are common — prevalence estimates 23.81%...

Ahmed et al. showed that oral honey intake reduced fasting glucose, total cholesterol, LDL-C, fasting triglycerides, and ALT and increased HDL-C, IL-6, and TNF-α. Image credit: Fancycrave1.

Honey Consumption Improves Blood Sugar and Cholesterol Levels, Study Suggests

Nov 17, 2022 by Natali Anderson

Honey, especially robinia (also known as acacia honey, a honey from false acacia or black locust trees), clover, and unprocessed raw honey, may improve...

Colorized scanning electron micrograph of a cell infected with the Omicron strain of SARS-CoV-2 virus particles (yellow and green), isolated from a patient sample. Image credit: NIAID.

Coffee Compound Reduces Binding of SARS-CoV-2 Virus to Its Human Target, Study Shows

Nov 15, 2022 by Sergio Prostak

The global spread of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has called for an urgent need for the identification of compounds...

The study increases the total number of POAG-related genes to 15. Image credit: National Eye Institute.

Low-Quality Sleep Increases Glaucoma Risk, New Study Suggests

Nov 3, 2022 by News Staff

Researchers have performed a prospective cohort study to understand the association between different sleep behaviors and glaucoma. Insomnia, snoring,...

Possible sites of HML-2 expression. Image credit: Burn et al., doi: 10.1371/journal.pbio.3001826.

Ancient Retroviruses Make Up 8% of Human Genome, Researchers Say

Oct 26, 2022 by The Conversation

Like modern HIV, ancient human endogenous retroviruses (HERVs) had to insert their genetic material into their host’s genome to replicate. Possible sites...

Sakamaki-Ching et al. demonstrated that acute dermal exposure to thirdhand smoke mimics the harmful effects of cigarette smoking, alters the human plasma proteome, initiates mechanisms of skin inflammatory disease, and elevates urinary biomarkers of oxidative harm. Image credit: Tumisu.

Acute Dermal Exposure to Thirdhand Smoke Can Trigger Skin Diseases, Study Says

Oct 13, 2022 by News Staff

Thirdhand smoke can remain on indoor surfaces indefinitely, causing potentially harmful exposure to both smokers and non-smokers. Acute exposure of the...

Model for the structure of the first enzyme-free precursor of solanimycin. Image credit: Matilla et al., doi: 10.1128/mbio.02472.

Solanimycin: New Antifungal Antibiotic Isolated from Pathogenic Bacterium

Oct 11, 2022 by News Staff

Solanimycin, which is produced by Dickeya solani, the enterobacterial pathogen of potato, is active against a broad range of plant-pathogenic fungi and...

Stylized structural diagram of oxytocin (DARPA).

Oxytocin Has Heart Healing Properties, New Study Suggests

Oct 2, 2022 by News Staff

New research shows that in zebrafish and human cell cultures, the neurohormone oxytocin — also known as the ‘love hormone’ — stimulates...

Drinking two to three cups of coffee a day is linked with a longer lifespan and lower risk of cardiovascular disease compared with avoiding coffee. Image credit: Sci.News.

Habitual Coffee Consumption May Prolong Life

Sep 28, 2022 by News Staff

In a large prospective cohort study, decaffeinated, ground, and instant coffee — particularly at 2-3 cups a day — were associated with significant...

Abidemi Otaiku suggests nightmares may become prevalent several years or even decades before the characteristic memory and thinking problems of dementia set in. Image credit: Bingo Naranjo.

Study: Distressing Dreams Predict Cognitive Decline and Dementia in Middle-Aged and Older Adults

Sep 22, 2022 by News Staff

Adults who report having nightmares during middle and older age may experience accelerated cognitive decline and are at increased risk of developing dementia,...

Guo et al. reveal succinate’s effect on periodontitis pathogenesis and provides a topical treatment for this disease. Image credit: Guo et al., doi: 10.1016/j.celrep.2022.111389.

Newly-Developed Topical Gel Could Potentially Treat Periodontitis

Sep 20, 2022 by News Staff

The new topical gel that blocks the receptor for a molecule called succinate treats periodontitis — also known as gum disease or periodontal disease...

Li et al. found that moderate consumption of black, green or oolong tea is linked to a lower risk of developing type 2 diabetes. Image credit: Sci.News.

Moderate Tea Consumption Lowers Type 2 Diabetes Risk, New Review Suggests

Sep 19, 2022 by News Staff

A review of previous cohort studies suggests that drinking at least four cups of black, green or oolong tea a day is associated with a 17% lower risk of...

Surgically amputated site of the left tibia and fibula of the Liang Tebo individual: (a) left and right legs with pelvic girdle, demonstrating the complete absence of the distal third of the left lower leg; (b) left tibia and fibula showing the amputation surface, atrophy and necrosis; the bone surface is more porous because lysis occurred to remove the dead bone (necrosis); (c) radiograph of the left tibia and fibula; (d) left tibia medial aspect; (e) left tibia medial aspect; (f) left fibula anterior aspect. Scale bars - 5 cm in (a), 5 mm in (b and c) and 2 mm in (d-f). Image credit: Maloney et al., doi: 10.1038/s41586-022-05160-8.

Stone Age Humans Conducted Surgical Amputation 31,000 Years Ago

Sep 12, 2022 by News Staff

Archaeologists excavating Liang Tebo Cave on the Indonesian island of Borneo have discovered the skeletal remains of a young individual who had the distal...

Nolan et al. demonstrate the utility of manuka honey for incorporation into nebulized antibiotic treatment for respiratory infections, in particular Mycobacterium abscessus. Image credit: Yevgen Kyrylko.

Manuka Honey Can Be Used to Inhibit Drug-Resistant Mycobacteria: Study

Sep 9, 2022 by News Staff

For millennia manuka honey has been shown to have wide ranging medicinal properties, which have more recently been identified for its broad spectrum of...

van der Meulen et al. show that both systemic and inhaled glucocorticoid use are associated with an apparently widespread reduction in white matter integrity, which may in part underly the neuropsychiatric side effects observed in patients using glucocorticoids. Image credit: Steve Buissinne.

Glucocorticoid Use Associated with Structural and Volume Changes in White and Gray Matter

Sep 1, 2022 by News Staff

New research from the Leiden University Medical Center shows that both systemic and inhaled glucocorticoids — a class of synthetic steroids —...

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