Wearable trackers estimate fitness levels without high-intensity exercise

Researchers have developed a method to estimate cardiorespiratory fitness levels that could be applied to data captured by wearable fitness trackers during activities of daily life. This could facilitate testing for those with low exercise tolerance and may reduce the need for medically supervised fitness testing. The study is published ahead of print in the Journal of Applied Physiology.
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Could leukemia be stopped before it starts?

Acute myeloid leukemia (AML), a blood cancer affecting both adults and children, requires more than one genetic “hit” to develop. As we age, many of us acquire a mutation that enables certain of our blood cells to multiply faster than others, forming their own distinct population. This first hit, known as “clonal hematopoiesis of indeterminate potential,” or CHIP, isn’t necessarily harmful.
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Medication errors prevented with optimized lighting

Western societies currently face the challenge of maintaining the high standard of health care (both affordable and available), with a growing shortage of care professionals. A well-designed hospital environment can positively contribute to the performance of care professionals. Healthy and engaged nurses are key in maintaining good health care. Mariëlle Aarts found that optimizing the lighting is a simple, non-invasive means to support the work and health of nurses, preventing medication errors. She also established that light can reduce problems like sleepiness associated to night shift work. Aarts will defend her thesis on this work tomorrow at Eindhoven University of Technology.
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Beyond the pap smear: Potential to detect cervical cancer earlier than ever before

While the mortality rate for cervical cancer has declined dramatically since the 1970s, more than 400 Canadian women succumbed to the disease in 2019. A new paper, published in the International Journal of Cancer, by researchers at McGill University’s Faculty of Medicine, supports a novel alternative to standard pap smears and human papillomavirus (HPV) tests, one that has the potential to detect cervical cancer earlier than ever before.
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