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3D-printed living lung tissue

news.ycombinator.com Patty Wellborn 2025-07-21 21:20:42

UBC Okanagan researchers have developed a 3D bio-printed model that closely mimics the complexity of natural lung tissue, an innovation that could transform how scientists study lung disease and develop new treatments. Dr. Emmanuel Osei, Assistant Professor in the Irving K. Barber Faculty of Science, says the model produces tissue that closely resembles the complexity of a human lung, enabling improved testing of respiratory diseases and drug development. “To conduct our research and the testi

Topics: disease lung model osei tissue

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Hot Tick Summer Is Here. Here’s What You Need to Know and How to Stay Safe

gizmodo.com Ed Cara 2025-07-30 13:00:28

Summer in the U.S. is now in full swing. That means plenty of outdoor fun, Sun, and, unfortunately, for many of us, tiny eight-legged ticks to avoid. Ticks and the many illnesses they carry, like Lyme disease, are a growing public health threat. Just this week, for instance, the latest data from the Centers for Disease Control and Prevention showed that 2025 so far has seen the highest number of tick-related emergency room visits recorded since 2019. And though the worst tick species are especi

Topics: disease diseases tick tickborne ticks

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Large-scale DNA study maps 37,000 years of human disease history

news.ycombinator.com Unknown 2025-08-03 06:42:58

A new study suggests that our ancestors’ close cohabitation with domesticated animals and large-scale migrations played a key role in the spread of infectious diseases. The team, led by Professor Eske Willerslev at the Universities of Cambridge and Copenhagen, recovered ancient DNA from 214 known human pathogens in prehistoric humans from Eurasia. They found that the earliest evidence of zoonotic diseases – illnesses transmitted from animals to humans, like COVID in recent times – dates back t

Topics: ago diseases dna humans years

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So you wanna build an aging company

news.ycombinator.com Sarah Constantin 2025-08-07 13:30:30

Today, aging is cool. In 2024 alone, investors deployed about $8.5B into longevity-focused biotech companies. Aging biotech companies have entered clinical trials. The field has come a long way. But as “aging” (and “longevity”) have become more mainstream, there’s a temptation to stretch the definition to things that don’t belong in the category. Aging is not a single process. It’s a complex interplay of multiple biological processes that, over time, become dysregulated. Understanding it as suc

Topics: age aging disease like related

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We’re learning more about what weight-loss drugs do to the body

technologyreview.com Jessica Hamzelou 2025-08-24 12:00:00

We know they can suppress appetite, lower blood sugar, and lead to dramatic weight loss. We also know that they come with side effects, which can include nausea, diarrhea, and vomiting. But we are still learning about some of their other effects. On the one hand, these seemingly miraculous drugs appear to improve health in other ways, helping to protect against heart failure, kidney disease, and potentially even substance-use disorders, neurodegenerative diseases, and cancer. But on the other,

Topics: disease effects glp people weight

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Tick Bite? Here's What to Know About Lyme Disease and Your Next Steps

cnet.com See Full Bio 2025-08-27 20:00:05

You just finished a satisfying summer hike or wrapped up a weekend of yard work when you spot a tick clinging to your clothes. The fresh-air high fades quickly as you remember the risks -- ticks are known carriers of Lyme disease, a growing concern across the US. Lyme disease cases have more than doubled in recent years, according to the CDC, with annual reports jumping from around 42,000 to nearly 90,000. While part of that increase is due to improved detection and reporting methods, the risk

Topics: disease harker lyme symptoms tick

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The United States has lower life expectancy than most similarly wealthy nations

news.ycombinator.com Pearson 2025-08-30 16:30:50

Since taking over as the top US health official in February, Robert F. Kennedy Jr has overseen radical changes that have alarmed many public-health experts. The agency he leads announced that it would cut its workforce by 20,000, and cancelled billions of dollars in federal funding for research and public health. Earlier this month, Kennedy replaced all the members of an influential vaccine advisory committee with hand-picked ones, including some who have expressed scepticism about vaccines. His

Topics: disease health says states united

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After RFK Jr. overhauls CDC panel, measles and flu vaccines are up for debate

arstechnica.com Unknown 2025-09-07 21:42:46

With ardent anti-vaccine activist Robert F. Kennedy Jr. in the country's top health position, use of a long-approved vaccine against measles, mumps, rubella, and varicella/chickenpox (MMRV) as well as flu shots that include the preservative thimerosal will now be reevaluated, putting their future availability and use in question. The development seemingly continues to vindicate health experts' worst fears that, as health secretary, Kennedy would attack and dismantle the federal government's scie

Topics: acip disease rsv vaccine vaccines

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Latest Tech News

3D-printed living lung tissue

Hot Tick Summer Is Here. Here’s What You Need to Know and How to Stay Safe

Large-scale DNA study maps 37,000 years of human disease history

So you wanna build an aging company

We’re learning more about what weight-loss drugs do to the body

Tick Bite? Here's What to Know About Lyme Disease and Your Next Steps

The United States has lower life expectancy than most similarly wealthy nations

After RFK Jr. overhauls CDC panel, measles and flu vaccines are up for debate

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