Jon Hamilton
Stories
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National
Genetic analysis explores the influence of African ancestry in brain disease risk
A new genetic analysis could help explain why people in the U.S. with African ancestry face a greater risk for stroke and Alzheimer's disease, but less risk of another brain disease, Parkinson's.
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Lots of drug companies talk about putting patients first — but this one actually did
When Amylyx Pharmaceuticals found out its ALS drug Relyvrio didn't work, the company took the unusual step of voluntarily pulling it off the market.
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National
A drug company will stop selling lucrative medicine to keep a promise to ALS patients
A drug company will voluntarily stop selling a medicine that was bringing in hundreds of millions of dollars, keeping a promise the business made years earlier to people with the fatal condition ALS.
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Scientists restore brain cells impaired by a rare genetic disorder
A therapy that restores brain cells impaired by a rare genetic disorder may offer a strategy for treating conditions like autism, epilepsy, and schizophrenia.
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How the sex of one fetus can affect its neighbors in the womb
A sibling can change your life — potentially even before birth. The sex of one fetus can affect its neighbors in the womb. The "intrauterine position effect" was first discovered in cattle farming.
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NIH scientists, studying Havana syndrome patients, find no physical trace of harm
Two new government studies found no medical explanation for the cluster of symptoms known as Havana syndrome.
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National
More studies challenge the idea that Havana syndrome comes from foreign adversaries
Two new government studies found no unusual pattern of injury or illness in people with the mysterious cluster of symptoms known as Havana syndrome.
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National
New blood tests can help diagnose Alzheimer's — but some aren't as accurate as others
Now that there are drugs to treat Alzheimer's, blood tests to detect it will likely become an attractive, low-cost option to decide who can get treatment. Some tests are more accurate than others.
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A fibrous path 'twixt heart and brain may make you swoon
A newly discovered pathway between the heart and brain can cause fainting, at least in mice.
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A little electric stimulation in just the right spot may bolster a damaged brain
A small study found that electrically stimulating an area deep in the brain allowed people with severe traumatic brain injuries to complete a cognitive test more quickly.