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Genetic analysis shows leprosy was endemic in pre-colonial America

Long considered a disease brought to the Americas by European colonizers, leprosy may actually have a much older history on the American continent.

29 May 2025

Genetic evolution of plague bacterium may have prolonged historic pandemics

Scientists at the Institut Pasteur and McMaster University have discovered that the evolution of a gene in the bacterium that causes bubonic plague, Yersinia pestis, may have prolonged the duration of two major pandemics.

29 May 2025

BCG immunotherapy reprograms bone marrow to boost cancer defense

More than three decades ago, the U.S. Food and Drug Administration (FDA) approved Bacillus Calmette-Guérin (BCG) as the first immunotherapy against cancer. And it is still used today to treat early-stage bladder cancer.

29 May 2025

Scientists boost black cabbage’s health benefits with targeted fermentation

Controlled fermentation of black cabbage using specific bacterial and yeast starters enhanced its antioxidant, polyphenol, and amino acid content, while ensuring food safety and improving sensory qualities. Yeast-fermented pressed cabbage achieved the highest nutritional gains, with both starter cultures and pressing technique playing key roles in maximizing health-promoting benefits.

28 May 2025

Intestinal bacteria and their metabolites contribute directly to vascular aging

The aging of the innermost cell layer of blood vessels leads to cardiovascular diseases. Researchers at UZH have now shown for the first time that intestinal bacteria and their metabolites contribute directly to vascular aging.

28 May 2025

New biomarkers could help improve detection and treatment of gastrointestinal diseases

Scientists have discovered a range of 'biomarkers' that could help to improve detection and treatment of gastrointestinal diseases (GIDs) such as gastric cancer (GC), colorectal cancer (CRC), and inflammatory bowel disease (IBD).

28 May 2025

Silence on E. coli outbreak highlights how Trump team’s changes undermine food safety

Colton George felt sick. The 9-year-old Indiana boy told his parents his stomach hurt. He kept running to the bathroom and felt too ill to finish a basketball game.

28 May 2025

Fact: You could be inhaling nearly 70,000 plastic particles annually, here's what it means for your health

Airborne microplastics and nanoplastics are increasingly detected in urban environments, with evidence linking inhalation exposure to inflammation, cardiovascular risks, and other health concerns. Researchers highlight urgent needs for improved detection, targeted mitigation strategies, and coordinated global policies to address this emerging threat.

28 May 2025

Firmicutes bacteria can help maintain bone mass, study suggests

A recent study involving 684 Chinese adults has uncovered a significant connection between gut microbiota, aging, and bone health, particularly in relation to osteoporosis, a condition that weakens bones and increases the risk of fractures.

27 May 2025

Study sheds light on the link between gut microbiota, isoflavones, and geniposide hepatotoxicity

A recent study published in Engineering has shed light on the relationship between gut microbiota, isoflavones, and geniposide hepatotoxicity.

26 May 2025

Innovative approaches to managing diabetic wounds with smart bioactive dressings

A recent study published in Engineering delves into the advancements in wound management, specifically focusing on microenvironment-sensitive bioactive dressings for diabetic wounds. Diabetic wounds (DWs) are a major complication of diabetes mellitus.

26 May 2025

Genetic discovery sheds light on infection-triggered neuropathy

Neuropathy, a disorder in which damage to nerves can impair sensation and movement, has many causes, including infection.

25 May 2025

Study shows how daylight can boost the immune system's ability to fight infections

A breakthrough study, led by scientists at Waipapa Taumata Rau, University of Auckland, has uncovered how daylight can boost the immune system's ability to fight infections.

23 May 2025

Metagenomic next-generation sequencing improves pulmonary infection diagnosis

A recent study on the application of Metagenomic next-generation sequencing (mNGS) found that mNGS can achieve early detection of pathogens and accelerate the development of targeted anti-infection treatment plans, thereby improving treatment outcomes and patient prognosis.

23 May 2025

Tuberculosis bacteria use molecular switch to pause and restart growth

The bacteria that cause tuberculosis (TB) may have an "on-off switch" that lets them pause and restart growth, according to a new study from the University of Surrey and the University of Oxford.

23 May 2025

Ancient DNA sheds light on evolution of relapsing fever bacteria

Researchers at the Francis Crick Institute and UCL have analyzed ancient DNA from Borrelia recurrentis, a type of bacteria that causes relapsing fever, pinpointing when it evolved to spread through lice rather than ticks, and how it gained and lost genes in the process.

22 May 2025