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Genetics
High-potency cannabis use is tied to epigenetic changes, study suggests
A study published in Molecular Psychiatry is the first to suggest that the use of high-potency cannabis leaves a distinct mark on DNA, providing valuable insights into the biological impact of cannabis use. High-potency cannabis ...
10 hours ago
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Medical research news
Discovery of a gut-to-brain regulation pathway in flies offers insights into human aging
Biologists at Brown University have discovered how a neuropeptide hormone made in the gut of flies can control their lifespan.
8 hours ago
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COVID study reveals virus-induced inflammation during pregnancy, redefines vertical transmission
A new Cleveland Clinic-led study published in The EMBO Journal shows that mild and asymptomatic SARS-CoV-2 infections can trigger immune responses in a pregnant individual that may cause serious inflammatory responses in ...
7 hours ago
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AI models help redefine core microbiome for personalized therapies
Researchers at Rutgers University-New Brunswick, along with international collaborators, have introduced a novel method for identifying the crucial set of gut microbes commonly found in humans and essential for health.
7 hours ago
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Immunotherapy boosts survival of advanced Hodgkin lymphoma in clinical trial
A treatment that rallies the immune system to destroy cancer raised the survival rate for advanced Hodgkin lymphoma patients to a remarkable 92%, suggesting a new standard therapy for the disease. The New England Journal ...
7 hours ago
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Sound-based diagnostic system could deliver bedside blood test results in an hour
Go to the doctor to provide a blood sample, and you're typically faced with a needle and syringe, and hours or even days of waiting to get results back from a lab. CU Boulder researchers hope to change that with a new handheld, ...
9 hours ago
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Study finds widespread exposure to hormone-disrupting chemical during pregnancy
A study published in the Journal of Exposure Science & Environmental Epidemiology has found that nearly all pregnant women ingest the fungal toxin zearalenone (ZEN), which mimics estrogen in the body and hinders reproduction ...
8 hours ago
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Are dental practices out of control in the United States?
A series of recently published opinions and letters in JAMA Internal Medicine present varying perspectives on the current state of US dental care all emphasize the need for evidence-based practices and changes in economic ...
Putting pressure on mini-brains helps to model compression injuries
For nearly a decade, Brown University researcher Diane Hoffman-Kim and her laboratory team have made cortical spheroids, which are basically functional miniature brains. The three-dimensional cell cultures are versatile models ...
9 hours ago
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Challenging current understanding, study reveals rapid release of dopamine not needed for initiating movement
The chemical messenger dopamine is an essential catalyst that fuels activities and behaviors ranging from movement to cognition and learning. However, neuroscientists have long debated whether these functions rely on rapid ...
9 hours ago
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New type of insulin that switches on and off could help diabetics avoid sudden drops in blood sugar levels
A modified insulin that can prevent sudden drops in blood sugar has been demonstrated in laboratory experiments and animal models, reports a paper in Nature. This could provide a more flexible way to supplement insulin for ...
9 hours ago
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Unique immune response in lupus paves the way for new treatments
Immune cells called monocytes produce a key inflammatory protein called interleukin-1 beta (IL-1β) through an unconventional pathway in patients with systemic lupus erythematosus, commonly referred to as lupus, according ...
9 hours ago
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Life-saving spongelike 'bandage' developed by researchers rapidly stops hemorrhaging and mitigates risk of infection
Without proper medical intervention, injuries sustained from traffic collisions, serious workplace accidents or weapons may result in fatal hemorrhaging. University of Central Florida researchers aim to prevent such bleeding ...
9 hours ago
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'Two for the price of one'—scientists discover new process to drive anti-viral immunity
Scientists at Trinity College Dublin have discovered a new process in our immune systems that leads to the production of an important family of anti-viral proteins called interferons. They hope the discovery will now lead ...
9 hours ago
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Researchers develop a device called e-Flower that records neuronal activity with electronic petals
3D clusters of brain cells are emerging as essential tools for understanding neural networks and studying neurological diseases in the lab. EPFL's e-Flower, a flower-shaped 3D microelectrode array (MEA), allows researchers ...
10 hours ago
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Men and women use different biological systems to process pain, study discovers
In a new study evaluating meditation for chronic lower back pain, researchers at University of California San Diego School of Medicine have discovered that men and women utilize different biological systems to relieve pain. ...
11 hours ago
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New laser light diagnostic tool quickly detects earliest sign of heart attack
With heart attacks, every second counts. A new blood test diagnoses them in minutes rather than hours and could be adapted as a tool for first responders and people at home.
11 hours ago
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Blood analysis study may help boost performance and reduce side effects of mRNA vaccines
A study led by researchers from RMIT University and the Doherty Institute has provided the first detailed analysis of how mRNA vaccines circulate and break down in the human bloodstream. The research aimed to help improve ...
11 hours ago
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Personalized bacterial vaccine shows promise as cancer immunotherapy
Columbia researchers have engineered probiotic bacteria that educate the immune system to destroy cancer cells, opening the door for a new class of cancer vaccines that take advantage of bacteria's natural tumor-targeting ...
13 hours ago
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