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Category: biotech/medical – Page 535
Inhaling cannabis may greatly increase your risk of getting asthma
If you’re looking to reduce your chances of developing lung disease, say experts at UC San Francisco, then it may be smart to avoid inhaling cannabis.
A new study in the Journal of General Internal Medicine found that inhaling marijuana every day is associated with a 44% increased chance of developing asthma. It also increased the odds of developing chronic obstructive pulmonary disease (COPD) by 27%.
The COPD risk may be understated, since the disease takes decades to develop, and the researchers did not have detailed information on how long people in the study had been using cannabis.
Galaxies Reveal Hidden Maps of Dark Matter in the Early Universe
Researchers uncover a key protein and a promising strategy to prevent bone damage from steroids.
The rheumatology and orthopedic researchers discovered that a protein called Basigin, which gets activated in stem cells when people take steroids, is a key reason why bones weaken and blood vessels in bone tissue become abnormal. By blocking Basigin, they were able to protect and even restore bone health in mice, suggesting a promising new treatment path.
Their findings were published in Nature Communications.
Graph neural networks learn emergent tissue properties from spatial molecular profiles
Tissue phenotypes arise from molecular states of individual cells and their spatial organisation, so spatial omics assays can help reveal how they emerge. Here, the authors apply graph neural networks to classify tissue phenotypes from spatial omics patterns, and use this approach to understand patterns in cancers and their microenvironments.
DNA Study of 117-Year-Old Woman Reveals Clues to a Long Life
There’s no escaping the unrelenting passage of time, but supercentenarians who live to see their 110th birthday have a peculiar ability to postpone the inevitable.
A thorough health evaluation of one of the world’s oldest people, Maria Branyas, suggests that one of the reasons she lived to 117 was that she possessed an exceptionally young genome.
Some of her rare genetic variants are linked to longevity, immune function, and a healthy heart and brain.
Cryosphere Chat — Strategies For Convincing Normies, Hibernation vs. Cryosleep, Organ Preservation
In this Cryosphere Chat we discuss the organ preservation to cryonics pipeline, our experiences trying to convince normies to sign up, using terms like hibernation or cryosleep instead of death, and more.
Links:
• Cryosphere Discord server: / discord.
• Cryonics subreddit: / cryonics.
China introduces new ‘bone glue’ inspired by oysters for fast fracture repairing
A Chinese research team in East China’s Zhejiang Province unveiled an innovative product called “Bone 02” bone glue on Wednesday. Inspired by oysters, this glue can treat fractures with a single injection and bond shattered bone fragments in just three minutes, according to local media Zhejiang Online.
The team leader, Lin Xianfeng, an associate chief orthopedic surgeon at Sir Run Run Shaw Hospital affiliated with the renowned Zhejiang University, said the adhesive can achieve precise fixation within two to three minutes, even in a blood-rich environment. In one trial case, the procedure was completed in less than three minutes — whereas traditional treatment would have required a large incision to implant steel plates and screws, Zhejiang Online said.
Laboratory tests confirmed that ‘Bone-02’ performed strongly in both safety and effectiveness. It demonstrated a maximum bonding force of over 400 pounds, a shear strength of about 0.5 MPa, and a compressive strength of around 10 MPa. These properties suggest it has the potential to replace traditional metal implants, while also reducing the risks of foreign-body reactions and infection, said the report.
Physicists demonstrate 3,000 quantum-bit system capable of continuous operation
One often-repeated example illustrates the mind-boggling potential of quantum computing: A machine with 300 quantum bits could simultaneously store more information than the number of particles in the known universe.
Now process this: Harvard scientists just unveiled a system that was 10 times bigger and the first quantum machine able to operate continuously without restarting.
In a paper published in the journal Nature, the team demonstrated a system of more than 3,000 quantum bits (or qubits) that could run for more than two hours, surmounting a series of technical challenges and representing a significant step toward building the super computers, which could revolutionize science, medicine, finance, and other fields.
This Popular Diet Seems to Reduce Gum Disease, Scientists Say
There’s something rather special about the Mediterranean diet: already associated with a lower risk of Alzheimer’s disease, early death, poor mental health, and more besides, a new study links the diet to better gum health too.
The study, carried out by researchers from King’s College London and the University of Catania in Italy, involved 195 participants with an average age of 49, who were given a health check-up and quizzed on their dietary habits.
Those participants who stuck more closely to the plant-rich Mediterranean diet were less likely to have gum disease, the data showed – especially those who didn’t eat much red meat.