Estrogen-only hormone therapy associated with lower risk of dementia
Use of hormone therapy later in life was associated with a lower risk of developing dementia, according to a study published in Neurology.
Aug 12, 2026
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Scientists have designed a functioning virus from scratch using AI. What you need to know
Artificial intelligence has designed viruses that can infect bacteria and reproduce—a first that shows AI is beginning to do more than analyze the genetic code of living things. It can write new versions of it, too.
19 hours ago
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HIV-1 proviruses may drive chronic systemic inflammation
HIV (human immunodeficiency virus) is a virus that attacks the body's immune system and remains a major global health challenge because of persistent viral reservoirs, despite effective treatments. Key factors include around ...
Aug 10, 2026
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Brain circuit keeps tabs on what just happened to aid judgment of what's happening now
A brain must constantly cope with the highly variable, fast-paced nature of the world when trying to judge what's going on around it. On the one hand, it has to be open to whatever new sensory information may come its way, ...
Aug 13, 2026
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Sleep disturbances linked to genetic Alzheimer's risk
A person's sleep patterns could be an early sign of Alzheimer's disease, a new study says. A greater number of micro-awakenings during sleep is linked to a greater genetic risk for Alzheimer's, researchers report in the journal ...
Aug 14, 2026
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For early prostate cancer, 'active surveillance' is now the number 1 choice
Three decades after UC San Francisco pioneered "active surveillance" for patients with low-risk prostate cancer, a new study has found that the vast majority of veterans with the diagnosis pursued this option instead of treatment.
Aug 13, 2026
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Could saunas and ice baths affect male fertility? Here's what the evidence says
The internet's obsession with "maxxing" has turned almost every aspect of self-improvement into a trend.
Aug 15, 2026
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Wearable tech for babies shows that night awakenings more common than parents believe
Almost half of Finnish parents feel that their infants' sleep is abnormal. However, measuring sleep disturbances is complicated. In her doctoral thesis, University of Helsinki researcher Sofie de Sena investigated infant ...
Aug 11, 2026
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Ultra-processed foods linked to notably higher prostate cancer risks
Ultra-processed foods (UPFs) account for nearly 60% of adults' and 70% of children's energy intake in the United States. These industrially manufactured products—such as soft drinks, packaged cereals and snacks, and processed ...
Aug 12, 2026
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A widely covered excess-death paper is retracted over misinformation concerns
BMJ Group has retracted a data analysis highlighting excess deaths in Europe, North America, Australia and New Zealand following the pandemic. The retraction was prompted by misinformation about the possible reasons for the ...
Aug 11, 2026
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