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Shining light on night blindness

Animals renowned for their outstanding night vision include owls, cats, tarsiers (a tiny primate in Southeast Asia) — and even the dung beetle. But humans? Not so much. Over time, many people suffer from night blindness, also known as nyctalopia. This condition makes seeing in dim or dark settings difficult because your eyes cannot adjust […]

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5 great tips for sustainable summer living

Sustainable living treads lightly on natural resources and follows a rethink, reuse, repurpose mantra to minimize waste. Big and small wallet-friendly tips can help you save money and befriend our planet this summer, says Dr. Wynne Armand, a primary care physician at Harvard-affiliated Massachusetts General Hospital, and associate director of the Mass General Center for […]

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Do tattoos cause lymphoma?

Not so long ago, a friend texted me from a coffee shop. He said, "I can't believe it. I'm the only one here without a tattoo!" That might not seem surprising: a quick glance around practically anywhere people gather shows that tattoos are widely popular. Nearly one-third of adults in the US have a tattoo, […]

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Dengue fever: What to know and do

Mosquitoes are not just a buzzing summertime nuisance; they can carry serious diseases like West Nile virus, malaria, and Zika. In recent months, the US has seen an unusual spike in the mosquito-borne illness dengue fever, also known as breakbone fever. What is dengue, and where is it occurring in the US? How does it […]

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What is Lewy body dementia?

Months after actor and comedian Robin Williams took his own life in August 2014, autopsy results revealed he had a devastating disease: Lewy body dementia (LBD). Unlike Alzheimer’s disease and even frontotemporal dementia, this brain disorder has tended to hide in the shadows. But work is underway to change that, says Dr. Stephen Gomperts, an […]