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Health

No evidence for belief that nut allergens spread through aircraft ventilation systems, say experts

There is no evidence for the commonly held belief that nut allergens can be spread through aircraft ventilation systems, say allergy and aviation medicine specialists in an evidence review published in the Archives of Disease ...

Immunology

In depth analysis explains why preschoolers are less likely to develop severe COVID-19

Five years ago, at the outset of the coronavirus pandemic, a phenomenon became abundantly clear: Preschool-age children rarely developed severe cases of COVID-19.

Medical research news

Neuroscience

Bursts of exercise boost cognitive function, neuroscientists find

Decades of exercise research data support the common view that steady workouts over the long haul produce not only physical benefits but also improved brain function. But what about single bursts of exercise? A team of scientists ...

Oncology & Cancer

Researchers show tumor evolution is written in the genome

Using a system of genetic barcodes and a novel single-cell sequencing method, a research team at the Istituto Italiano di Tecnologia (IIT-Italian Institute of Technology) in Milan has developed an approach to identify cells ...

Oncology & Cancer

Extrachromosomal DNA could be a target of future cancer therapies

Research published in Nature Genetics on Oct.14, by Yale Cancer Center researchers at Yale School of Medicine, found a higher concentration of a specific kind of DNA—extrachromosomal or ecDNA—in more aggressive and advanced ...

Diseases, Conditions, Syndromes

Novel app tracks travel-related illnesses

Travelers sometimes pick up more than just memories when they go abroad. Unfortunately, they may also experience health issues brought about by pathogens. Data collected by a novel travel app developed by UZH researchers ...

Overweight & Obesity

New regulator of eating behavior identified

The rapidly escalating prevalence of overweight and obesity poses a significant medical challenge worldwide. In addition to people's changing lifestyles, genetic factors also play a key role in the development of obesity.

Psychology & Psychiatry

Treatment-related pain may be 'socially contagious'

An individual's experience of pain from medical treatment can be heightened by witnessing other people's responses to the same treatment, with this negative experience subsequently spreading to others, scientists have discovered.

Overweight & Obesity

New drug candidate reverses obesity in mice

Researchers at Karolinska Institutet may have found a new way to treat obesity and related disorders by targeting the cells' mitochondria. A study published in Nature Metabolism shows that a specific class of drugs that block ...

HIV & AIDS

Study highlights importance of early interventions to combat HIV

A study has compared the development of HIV reservoirs—locations in the body where the virus persists in a latent state—between patients who receive either early or late medical interventions. The findings highlight the ...

Alzheimer's disease & dementia

Does obesity really increase your risk of dementia?

Many dementia charities advise people to maintain a healthy weight to reduce their risk of dementia. But some studies have suggested that obesity might actually protect against dementia. What does the science say?