HealthWe've underestimated the health impacts of heavy periodsAs women have fewer children and more periods, heavy menstrual bleeding is becoming more of a health burden.What is the mosquito-borne disease Sri Lanka is using drones to fight?Dengue has killed 56 people and infected more than 77,000 in the South Asian nation this year.US health panel loosens restrictions for controversial peptides popular onlineThe vote marks a win for Health Secretary Robert F Kennedy who has said he's a big fan of the drugs, which haven't been well studied for human use.I danced every day for a week to improve my brainpowerFrom improved concentration to higher creativity, dancing offers a range of brain-boosting benefits. And you don't need to spend hours on the dance floor to feel the effects.More young women in their 20s are getting type 2 diabetesEngland is seeing "a worrying increase" in women in their 20s developing type 2 diabetes, say experts. Here's what to look out for. 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