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Increased dementia risk linked to high blood pressure during middle age

Aimee Cunningham | 
Controlling high blood pressure during middle age may help stave off dementia later in life. In a long-term study, researchers ...
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Alzheimer’s disease and drowsiness: Link could help us determine where the disease first attacks the brain

Laura Sanders | 
Alzheimer’s disease destroys command centers in the brain that keep people awake. That finding could explain why the disease often ...
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CRISPR ‘put to the test’ against inherited blindness, blood disease. Next up Duchenne muscular dystrophy, cystic fibrosis

Tina Saey | 
Since its debut in 2012, CRISPR gene editing has held the promise of curing most of the over 6,000 known ...
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What makes us human? These pieces of donated brain tissue may offer answers

Laura Sanders | 
Half an hour earlier, this piece of neural tissue was tucked inside a 41-year-old woman’s head, on her left side, ...
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Sleep may have originated underwater 450 million years ago

Tina Saey | 
No one should have to sleep with the fishes, but new research on zebrafish suggests that we sleep like them.  ...
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Gut microbes may offer performance boost for elite athletes

Carolyn Wilke | 
One difference between elite athletes and the rest of us might be in what hangs out in their guts. Microbes ...
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Consumer genetic testing firms may not be able to block police access to data

Tina Saey | 
The GEDMatch decision to give police access to its data in the assault case — made without informing the database’s ...
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Were hominids making stone tools 2.6 million years ago? Controversy greets discovery

Bruce Bower | 
Discoveries in East Africa of what may be the oldest expertly sharpened stone implements suggest that early members of the ...
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Does our gut bacteria alter the effectiveness of drug treatments?

Maria Temming | 
Prescribing the best medication may require going with a patient’s gut — or at least, the bacteria that live there ...
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‘Immune amnesia’: Why measles makes you more vulnerable to infections that cause pneumonia, ear infections, diarrhea

Laura Sanders | 
The most iconic thing about measles is the rash — red, livid splotches that make infection painfully visible. But that ...
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Gut bacteria from thin people fails to help obese people lose weight in study

Tina Saey | 
Changing your gut microbes may not help you lose belly fat. In a preliminary study, obese people got either capsules ...
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PTSD and other psychological traumas may increase risk of cardiovascular disease

Maanvi Singh | 
People coping with psychological trauma have a heightened risk of developing cardiovascular disease, a large-scale study finds. Researchers used national ...
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Can genetics predict a baby’s risk of becoming an obese adult?

Tina Saey | 
There’s a new way to predict whether a baby will grow into an obese adult. Combining the effect of more ...
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Meet 5 RNA ‘movers and shakers’ including one that may protect against Alzheimer’s

Tina Saey | 
RNAs, composed of strings of genetic letters called nucleotides, are best known for ferrying instructions from the genes in our ...
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How mass shootings and other traumas could impact mental health, suicide risk

Sujata Gupta | 
Two teenagers who survived the 2018 shooting at Marjory Stoneman Douglas High School in Parkland, Fla., took their own lives ...
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Why Nobel laureate David Baltimore doesn’t support moratorium on CRISPR babies

David Baltimore, Tina Saey | 
Some scientists have recently proposed a temporary moratorium on editing that would result in babies that carry heritable changes. … Science ...
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Viewpoint: Esketamine promises to boost depression treatments—but we don’t know enough about long-term effects

Laura Sanders | 
With great fanfare, a new antidepressant entered the U.S. market in March [2019], the first fundamentally new medicine for depression ...
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How does our immune system distinguish between friendly gut bacteria and deadly pathogens?

Jeremy Rehm | 
Observations in mice show that certain filamentous microbes use a hooklike appendage to send messages that researchers believe are aimed ...
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Crime scene conundrum: Your DNA can wind up on something you never even touched

Tina Saey | 
A 10-second handshake could transfer a person’s DNA to an object that the person never touched. In handshaking experiments, people ...
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‘Humble beginnings’: Newly discovered T. rex ancestor was quite small

Jeremy Rehm | 
A new dinosaur shows that even Tyrannosaurus rex had humble beginnings. Dubbed Moros intrepidus, or “the harbinger of doom,” the new species is one of ...
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Brain implants could soon join fight against severe depression

Laura Sanders | 
With powerful computational methods, scientists have recently zeroed in on some key features of depressed brains. Those hallmarks include certain ...
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Early diagnosis of children with anxiety, depression key to better treatment

Sujata Gupta | 
Researchers wanted to see if the movements during a scary situation differed between children diagnosed with depression or anxiety and ...
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Does gum disease causes Alzheimer’s? We are a long way from an answer, researcher says

Laura Sanders | 
Do you floss regularly? A study published January 23 in Science Advances — and the news stories that it inspired — might ...
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Sleep deprived brains might be more susceptible to Alzheimer’s

Aimee Cunningham | 
A sleep-deprived brain is awash in excess amounts of not one but two proteins whose bad behavior is implicated in ...
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Inside the cave where Neanderthals and Denisovans may have shared a home

Bruce Bower | 
Mysterious ancient hominids known as Denisovans and their evolutionary cousins, Neandertals, frequented a southern Siberian cave starting a surprisingly long ...
1-30-2019 ti mouse gene drive feat

Rodent-targeting gene drive could be delivered through CRISPR

Tina Saey | 
Scientists are getting closer to creating a genetic pest-control measure against rodents. Female mice engineered to carry a genetic cut-and-paste machine ...
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Peering into the brain: New technology allows unprecedented access to brain cells

Laura Sanders | 
By mixing and matching powerful advances in microscopy and cell biology, researchers have imaged intricate details of individual nerve cells ...
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Whether you prefer coffee or tea may depend on your DNA

Tina Saey | 
Whether people prefer coffee or tea may boil down to a matter of taste genetics. People with a version of ...
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