Health & Fitness

A study explains the unusual radar signatures of icy satellites orbiting Jupiter and Saturn. Their radar signatures, which differ significantly from those of rocky worlds and most ice on Earth, have long been a vexing question for the scientific community.

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Transgender women will be effectively removed from professional track and field competitions in a new ruling set by World Athletics.

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It is well known that the microbiomes of athletes are different from of those who are sedentary. To investigate how exercise shapes the gut microbiota in non-athletes, the study assessed information on the type, time and intensity of exercise in relation to microbiomes in a large cohort of middle-aged adults.

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People who have low bone density may have an increased risk of developing dementia compared to people who have higher bone density. The study does not prove that low bone density causes dementia. It only shows an association.

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There is a relative increase of 20% to 30% in breast cancer risk associated with both combined and progesterone-only contraceptives, whatever the mode of delivery, though with five years of use, the 15-year absolute excess incidence is at most 265 cases per 100,000 users, according to a new study.

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