High cholesterol fuels cancer by fostering resistance to a form of cell death

Chronically high cholesterol levels are known to be associated with increased risks of breast cancer and worse outcomes in most cancers, but the link has not been fully understood. In a study appearing online Aug. 24 in the journal Nature Communications, a research team led by the Duke Cancer Institute has identified the mechanisms at work, describing how breast cancer […]

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High physical activity levels may counter serious health harms of poor sleep

Physical activity levels at or above the weekly recommended amounts may counter the serious health harms associated with poor sleep quality, suggests a large long term study, published online in the British Journal of Sports Medicine. Those who had both the poorest sleep quality and who exercised the least were most at risk of death from heart disease, stroke, and […]

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High genetic running capacity promotes efficient metabolism with aging

High running capacity is associated with health and longevity. However, whether high genetic running capacity promotes more efficient metabolism with aging is not known. A new study conducted in collaboration between the universities of Shanghai Jiao Tong University (China) and Jyväskylä (Finland) investigated the effects of genetic running capacity and aging on tissue metabolism. The study reveals that adipose tissue […]

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Do naturally high testosterone levels equal stronger female athletic performance?

Over the past few years, controversy has surrounded the World Athletics ruling that female hyperandrogenic athletes—female athletes with naturally high levels of testosterone—are banned from competing in certain track events. The controversy is perhaps best exemplified by the case of South African runner Caster Semenya. This rule is based on the hypothesis that total testosterone levels directly determine athletic performance […]

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Air pollution linked to high blood pressure in children; other studies address air quality and the heart

A meta-analysis of 14 air pollution studies from around the world found that exposure to high levels of air pollutants during childhood increases the likelihood of high blood pressure in children and adolescents, and their risk for high blood pressure as adults. The study is published in a special issue on air pollution in the Journal of the American Heart […]

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Women had ‘alarmingly high rates’ of mental health problems during start of the pandemic

A study at the University of Chicago Medicine found U.S. women experienced increased incidence of health-related socioeconomic risks (HRSRs), such as food insecurity and interpersonal violence, early in the COVID-19 pandemic. This was associated with “alarmingly high rates” of mental health problems, including depression and anxiety. The research was published April 5 in the Journal of Women’s Health. Other studies […]

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Diagnosis bias of borderline personality disorder high among LGB community

Some health care professionals allow their bias toward lesbian, gay and bisexual persons to show when diagnosing borderline personality disorder, says a University of Michigan researcher. This bias for borderline personality disorder, or BPD—a chronic mental illness known for impulsive behavior, people’s uncertainty about themselves and relationship difficulties—is more pronounced for sexual minorities than heterosexual individuals, says Craig Rodriguez-Seijas, U-M […]

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Livestock workers face high MRSA risk

For Michigan State University’s Felicia Wu, the surprise isn’t that people who work with livestock are at higher risk of picking up antibiotic-resistant bacteria, but instead how much higher their risk levels are. “This is a bit of a wakeup call,” said Wu, John. A Hannah Distinguished Professor in the Departments of Food Science and Human Nutrition and Agricultural, Food […]

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U.S. COVID hospitalizations reach record high as California hospitals run out of oxygen

A record-breaking 131,000 coronavirus hospitalizations were recorded in the United States on Tuesday. In hard-hit Los Angeles County, hospitals began running out of oxygen and paramedics were told not to bring patients to a hospital if they showed little hope of survival. “We’re no longer a wave or surge, or surge upon a surge. We really are in the middle […]

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