Free Radicals News and Research

RSS

Free radicals generated at a specific site in astrocytes may promote dementia

Researchers have discovered that free radicals generated at a specific site in non-neuronal brain cells called astrocytes, may promote dementia, according to a Weill Cornell Medicine study.

4 Nov 2025

Research opens new avenues for treating asthma and other inflammatory diseases

For decades, scientists have thought they understood the biochemical machinery that causes asthma-inflammation in the lungs that constricts airways and makes it hard to breathe.

23 Oct 2025

Quitting smoking linked to slower memory decline in midlife and older adults

The study, published in The Lancet Healthy Longevity, looked at data from 9,436 people aged 40 or over (with an average age of 58) in 12 countries, comparing cognitive test results among people who quit smoking with those of a matched control group who kept smoking.

13 Oct 2025

How gluten harms some people but helps others

New insights reveal gluten's health potential, highlighting beneficial peptides and innovative methods to enhance wheat safety for sensitive individuals.

3 Oct 2025

Daily walnut snacks fail to lower inflammation in adults

Research on daily walnut intake showed no significant effects on inflammatory markers or antioxidant capacity in middle-aged individuals with metabolic risks.

26 Sep 2025

GLP-1 drugs found to protect against diabetic retinopathy

GLP-1 receptor agonist drugs protect against diabetic retinopathy, a common complication of diabetes that can lead to sight loss, suggests new research being presented at the annual meeting of the European Association for the Study of Diabetes (EASD) in Vienna, Austria (15-19 September) and published in the journal Pharmaceutics.

17 Sep 2025

Rare ABCA7 gene variants linked to Alzheimer’s risk

A new study from MIT neuroscientists reveals how rare variants of a gene called ABCA7 may contribute to the development of Alzheimer's in some of the people who carry it.

10 Sep 2025

Special MRI technique predicts onset of mild cognitive impairment and cognitive decline

A special MRI technique that detects iron levels in different regions of the brain can predict the onset of mild cognitive impairment and cognitive decline in cognitively unimpaired older adults, potentially creating a pathway to earlier interventions, according to a study published today in Radiology, a journal of the Radiological Society of North America.

9 Sep 2025

Eating over 60g of almonds a day may protect DNA and cut oxidative damage

A meta-analysis of eight clinical trials found that almond supplementation, especially at doses above 60 g/day, significantly reduced oxidative DNA and lipid damage and improved antioxidant enzyme activity in adults. The benefits varied by biomarker and were influenced by dose, preparation, and participant characteristics.

14 Aug 2025

Light-activated therapy boosts effectiveness of antifungal drugs against Candida albicans

Researchers at the Optics and Photonics Research Center (CePOF) have succeeded in increasing the susceptibility of the fungus Candida albicans to drug treatment through light-activated therapy.

12 Aug 2025

Unraveling the mysteries of post-acute infection syndromes

In recent years, doctors and scientists are increasingly studying long-lasting illnesses that begin after someone recovers from an infection.

1 Aug 2025

New treatment shows promise in protecting brain following stroke reperfusion

Cambridge scientists have developed and tested a new drug in mice that has the potential to reduce damage to the brain when blood flow is restored following a stroke.

31 Jul 2025

Ohio State chemists unlock easier path to develop key drug components

Chemists have developed a novel way to generate a variety of highly useful chemical building blocks by harnessing metal carbenes, suggests new research.

18 Jul 2025

Old chemistry unlocks safer and stronger mRNA delivery

As millions of people know firsthand, the most common side effect of mRNA vaccines like the COVID-19 shot is inflammation: soreness, redness and a day or two of malaise.

18 Jul 2025

Popular sugar substitute could raise the risk of blood clots and stroke

From low-carb ice cream to keto protein bars to "sugar-free" soda, the decades-old sweetener erythritol is everywhere.

14 Jul 2025

Can saffron treat Alzheimer’s and depression?

Saffron shows promise as a natural treatment for depression and cognitive decline, performing as well as standard drugs in clinical trials. However, more rigorous studies are needed before saffron can be recommended in mainstream psychiatric and dementia care.

26 Jun 2025

Plant-based diets may help prevent erectile dysfunction

A narrative review in The Journal of Nutrition suggests that whole-food plant diets may help prevent or improve erectile dysfunction (ED) by supporting vascular health and reducing risk factors such as LDL cholesterol and inflammation. However, most evidence is observational, and more clinical trials are needed.

25 Jun 2025

Study shows MMA sparring hits blood health harder than boxing

Research shows MMA athletes experience greater blood changes than boxers, highlighting the need for specific recovery strategies to enhance performance.

2 Jun 2025

Chokeberry juice reduces blood vessel resistance in people with pre-diabetes

A German crossover trial found that drinking polyphenol-rich red berry juice improved peripheral resistance and helped preserve muscle mass in pre-diabetic adults. No significant changes were seen in glucose control or oxidative stress over the 14-day interventions.

12 May 2025