21st July 2026, Tuesday

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HealthTech News

  • Microneedles may help light reach hard-to-treat skin cancers
    on July 21, 2026 at 8:00 pm

    Photodynamic therapy (PDT) uses a light-sensitive drug and a specific wavelength of light to destroy cancer cells. The treatment has become an important option for certain skin cancers because it can target diseased tissue while limiting damage to surrounding skin. But PDT has a fundamental challenge: both the drug and the light must reach the same area of tissue. While drugs applied to the skin often struggle to penetrate deeply, light also loses intensity as it passes through tissue, limiting treatment to relatively shallow lesions.

  • Heart risk tools predict certain cancers about as well as they predict heart disease
    on July 21, 2026 at 8:00 pm

    Risk calculators that doctors use to estimate a person’s risk of a heart attack or stroke work about as well for predicting certain cancers, according to a new study by UCL (University College London) researchers. The tools, used widely by primary care physicians and hospitals in the U.K., U.S. and Europe, estimate a person’s percentage risk of having a heart attack or stroke over 10 years based on factors such as age, BMI and smoking status—factors also linked to a higher risk of cancer.

  • Elderly people living at home have less control, not more
    on July 21, 2026 at 7:40 pm

    Today, most older people with disabilities receive help at home, and there are limited places in nursing homes. At the same time, politicians claim that living at home provides independence and control over everyday life.

  • Semaglutide sustains lower calorie intake for more than a year, study shows
    on July 21, 2026 at 7:40 pm

    People taking semaglutide for weight loss continued to consume significantly fewer calories after 60 weeks on the medication, helping explain how the medication supports both initial weight loss and long-term weight maintenance. The study, published in the American Journal of Clinical Nutrition and led by investigators from Penn’s Center for Weight and Eating Disorders and Penn Metabolic Medicine, is among the first to examine the long-term effects of semaglutide on eating behavior beyond the initial months of treatment.

  • Unpredictable childhood routines reveal mental health risks missed by standard screenings
    on July 21, 2026 at 7:20 pm

    Children who grow up in unpredictable environments may face elevated risks for depression, anxiety, sleep disorders and other mental health challenges, according to a new study by researchers at the University of California, Irvine, Chapman University and Rady Children’s Hospital Orange County, formerly called Children’s Hospital of Orange County.