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Health news
Diseases, Conditions, Syndromes
Exposure to smoke pollution ups risk for hospitalization for respiratory disease
For older adults in the Western United States, exposure to high levels of smoke pollution is associated with an increase in hospitalizations for respiratory diseases, according to a study published online April 30 in JAMA ...
May 2, 2025
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Increased telehealth access boosts convenience but may increase strain on general practitioners
When technology makes doctors more accessible, it can lead to lower quality for patients and increased pressure on already stressed doctors, says Magnus Wanderås. Wanderås has worked as a general practitioner himself and ...
May 2, 2025
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Can taking vitamins combat infection?
Our bodies depend on an alphabet of vitamins that promote the development, growth and function of cells, including immune cells. Vitamin deficiencies can hinder the immune system's ability to fight infections. Given that ...
May 2, 2025
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Sun safety declining in Canada amid rise in skin cancer cases
Despite decades of public health messaging, Canadians are spending more time in the sun and using less sun protection—raising alarms among researchers as melanoma cases continue to climb.
May 2, 2025
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Springing into action after a sedentary season? Here's how to protect your heart
Around the world, people are starting to engage in outdoor activities after a winter spent largely indoors and perhaps with less physical activity than during more temperate seasons. In other climates, people may be starting ...
May 2, 2025
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How to survive in a sunburned country
Lately, sunscreen has received some controversial bad press from influencers on social media platforms like TikTok.
May 2, 2025
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Trump administration releases report critical of youth gender care
President Donald Trump's administration on Thursday released what it described as a comprehensive review of gender-related medical interventions for children and adolescents, warning of "significant risks" associated with ...
May 2, 2025
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Males are more likely to get sick and less likely to seek care for three common diseases, global analysis finds
In many countries, males are more likely than females to get sick and die from three common conditions, and less likely to get medical care, according to a new study by Angela Chang of the University of Southern Denmark, ...
May 1, 2025
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The 'entourage effect'—what we don't know about how cannabis works
In the years since legalization, there has been a tremendous surge in the number of cannabis products available to Canadian consumers, many offering tailored experiences to enhance seemingly any mood or activity.
May 1, 2025
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Exposure to heat waves and extreme cold is leading to preventable deaths, 19-year study suggests
Urgent action must be taken to reduce the ever-rising number of people killed by extreme temperatures in India, say the authors of a new 19-year study which found that 20,000 people died from heatstroke in the last two decades. ...
May 1, 2025
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Heated tobacco products show unclear health risks as evidence remains limited
Heated tobacco products are often marketed by tobacco companies as less harmful than cigarettes, but they can pose health risks to users, according to a new review I co-authored in the journal Tobacco Control. Evidence on ...
May 1, 2025
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When it comes to health information, who should you trust? Four ways to spot a dodgy 'expert'
When it comes to our health, we're constantly being warned about being taken in by misinformation. Yet for most of us what we believe ultimately comes down to who we trust, including which "experts" we trust.
May 1, 2025
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Consumer resistance to frozen foods driven by health fears, new study finds
Concerns over health and freshness are keeping many shoppers from embracing frozen foods, a new study suggests—despite their potential to reduce food waste, cut carbon footprints, and offer affordable nutrition.
May 1, 2025
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Florida moves to ban fluoride in drinking water
Florida state lawmakers have approved a bill to ban the addition of fluoride to public drinking water, a move that public health experts say could harm dental health across the state.
May 1, 2025
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Energy deficiency impacts collegiate running performance
Collegiate female endurance runners who experience chronic energy deficiency throughout a competitive season may compromise their performance and training benefits, according to a recent study by researchers in the Penn State ...
May 1, 2025
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Cracked heels can be a painful health risk. Here's how to keep your feet smooth this summer
As temperatures rise and sandals make their seasonal debut, our feet step into the spotlight. But summer presents challenges that make foot care especially important. Heat, sun exposure and the temptation to go barefoot can ...
May 1, 2025
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FDA commissioner: No major reorganization, just smart reforms
Dr. Marty Makary had just finished his last surgery at Johns Hopkins when he stepped into one of the most powerful roles in American public health.
May 1, 2025
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Home washing machines fail to remove important pathogens from textiles
Health care workers who wash their uniforms at home may be unknowingly contributing to the spread of antibiotic-resistant infections in hospitals, according to a new study led by Katie Laird of De Montfort University, published ...
Apr 30, 2025
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National-level actions found to be effective at tackling antibiotic resistance
National-level policies can reduce the impact of antibiotic resistance across diverse countries, according to a study published in the open-access journal PLOS Global Public Health by Peter Søgaard Jørgensen from Stockholm ...
Apr 30, 2025
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Multiple exposures to climate disasters lead to worse mental health outcomes, study finds
Repeated exposure to climate disasters leads to worse mental health with slower recovery times, according to new University of Melbourne research. Mental health worsens even more when an individual experiences multiple climate ...
Apr 30, 2025
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Genetic factors highlight the many ways health and height are linked
Height is determined by thousands of signals in our genes. Three world experts on human growth, including Associate Professor Louise Bicknell from Otago's Department of Biochemistry, have undertaken a significant review summarizing ...
Apr 30, 2025
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Metabolites in blood plasma offer new insights for measuring diet
Self-reporting is one of the primary ways that dietitians, medical doctors, and researchers assess people's diets and their health effects. While useful, self-reporting, often through dietary records or questionnaires, creates ...
Apr 30, 2025
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Global shortage of essential nutrient poses health concern
Omega-3 polyunsaturated fatty acids are vital to human health, yet our bodies can't produce enough of the nutrients naturally—they must be obtained from food or supplements.
Apr 30, 2025
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Sick of eating the same things? Five ways to boost your nutrition and keep meals interesting and healthy
Did you start 2025 with a promise to eat better but didn't quite get there? Or maybe you want to branch out from making the same meal every week or the same lunch for work almost every day?
Apr 30, 2025
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Protein sources change the gut microbiome, some drastically
A new study by researchers from North Carolina State University shows that protein sources in an animal's diet can have major effects on both the population and function of the microscopic life within their gut. These microorganisms, ...
Apr 30, 2025
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