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Showing posts older than #4031 · Back to latest

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Post #4030 28
慢性疼痛在女性中持续更久：免疫细胞提供线索
研究发现，慢性疼痛在女性中持续时间更长，新研究表明，受激素调控的免疫细胞，称为单核细胞，可能是解释这一现象的关键。
来源: Medical Xpress ｜ 阅读全文
发布时间: 2026-02-21 03:00 GMT+8（北京时间）
#慢性疼痛 #女性 #免疫细胞 #单核细胞 #激素
Medical Xpress Why chronic pain lasts longer in women: Immune cells offer clues Chronic pain lasts longer for women than men, and new research suggests differences in hormone-regulated immune cells, called monocytes, may help explain why.
Post #4029 25
发酵中的微生物决定酵母面包的酸味
研究表明，酵母面包发酵的微生物不仅仅是随机出现的，它们的种类受到面包师所供给的食物的影响。研究人员发现，相同的坚韧的酵母在不同类型的面粉中都能占据优势，但细菌的种类则有所不同。不同的面粉，如全麦面粉或面粉面包面粉，会促进不同的…
来源: ScienceDaily ｜ 阅读全文
发布时间: 2026-01-22 00:57 GMT+8（北京时间）
#酵母面包 #微生物 #面粉 #发酵
ScienceDaily The hidden microbes that decide how sourdough tastes The microbes living in sourdough starters don’t just appear by chance—they’re shaped by what bakers feed them. New research shows that while the same hardy yeast tends to dominate sourdough starters regardless of flour type, the bacteria tell a more complex…
Post #4028 44
空气污染与2800万美国老年人患阿尔茨海默病的风险增加
研究人员发现，长期暴露于细颗粒空气污染物中，可能会增加患阿尔茨海默病的风险。研究表明，空气污染对大脑产生直接影响，而不是通过与之相关的健康问题，如高血压或抑郁症。
来源: ScienceDaily ｜ 阅读全文
发布时间: 2026-02-20 14:47 GMT+8（北京时间）
#空气污染 #阿尔茨海默病 #老年人
ScienceDaily Air pollution linked to higher Alzheimer’s risk in 28 million older Americans Breathing polluted air may do more than harm your lungs — it could also increase your risk of Alzheimer’s disease. In a sweeping study of nearly 28 million older Americans, researchers found that long term exposure to fine particle air pollution was linked…
Post #4027 54
医生将多巴胺产生的干细胞植入帕金森患者脑中
帕金森病患者脑内多巴胺产生细胞逐渐丧失，导致颤抖、僵硬和运动迟缓。研究人员正在进行一项临床试验，尝试通过在运动中枢植入实验室培养的干细胞来替代丢失的细胞，恢复大脑自身的多巴胺产生功能。
来源: ScienceDaily ｜ 阅读全文
发布时间: 2026-02-20 17:03 GMT+8（北京时间）
#帕金森病 #干细胞 #多巴胺 #脑部移植
ScienceDaily Doctors implant dopamine-producing stem cells in Parkinson’s patients A groundbreaking clinical trial is testing whether specially engineered stem cells can help the brain restore its own dopamine production in people with Parkinson’s disease. Because the condition is driven by the gradual loss of dopamine-producing cells—leading…
Post #4026 71
飓风和热带风暴过后，药物相关死亡人数大幅上升
研究人员在哥伦比亚大学公共卫生学院研究了30多年的数据，发现飓风和热带风暴过后，药物相关死亡人数会在风暴过后三个月内大幅上升，尤其是在高收入白人社区和年轻人口中。研究表明，气候变化导致的更活跃和严重的风暴是这一健康影响的原因。
来源: Medical Xpress ｜ 阅读全文
发布时间: 2026-02-21 00:00 GMT+8（北京时间）
#飓风 #热带风暴 #药物相关死亡 #气候变化
Medicalxpress Invisible harms: Drug-related deaths spike after hurricanes and tropical storms Tropical cyclones, including hurricanes and tropical storms, are linked to increased rates of drug-related deaths up to three months after the storm passes—particularly in higher-income, white communities ...
Post #4025 65
科学家揭示人类语言与计算机代码的区别
研究表明，人类语言虽然看似杂乱无章，但实际上是有道理的，语言是基于熟悉的词汇和可预测的模式构建的，这样可以让大脑不断预测接下来的内容并逐步缩小语义范围。
来源: ScienceDaily ｜ 阅读全文
发布时间: 2026-02-20 22:23 GMT+8（北京时间）
#语言 #计算机 #认知科学
ScienceDaily Scientists reveal why human language isn’t like computer code Human language may seem messy and inefficient compared to the ultra-compact strings of ones and zeros used by computers—but our brains actually prefer it that way. New research reveals that while digital-style encoding could theoretically compress information…
Post #4024 50
基因变异有助于解释为什么食物过敏在家庭中传递
研究人员使用更为细致的方法，发现食物过敏的遗传因素。
来源: Medical Xpress ｜ 阅读全文
发布时间: 2026-02-20 23:00 GMT+8（北京时间）
#食物过敏 #基因 #遗传学
Medicalxpress Gene variants help explain why food allergies run in families People often remark that allergies run in their family, but the genetic causes have remained unclear. Previous food allergy genetic research has relied upon broad but surface-level methods called genome-wide ...
Post #4023 43
科学家揭示运动如何保护大脑免受阿尔茨海默症的影响
研究人员发现，运动可以通过修复大脑的防护屏障来使大脑变得更聪明。他们发现，身体活动会促使肝脏释放一种酶，这种酶可以清除一种有害蛋白质，导致血脑屏障随着年龄的增长而变得泄漏。研究人员发现，在老年小鼠中，降低这种蛋白质的水平可以减…
来源: ScienceDaily ｜ 阅读全文
发布时间: 2026-02-20 23:19 GMT+8（北京时间）
#阿尔茨海默症 #运动 #肝脏 #血脑屏障 #炎症
ScienceDaily Scientists reveal how exercise protects the brain from Alzheimer’s Exercise may sharpen the mind by repairing the brain’s protective shield. Researchers found that physical activity prompts the liver to release an enzyme that removes a harmful protein causing the blood-brain barrier to become leaky with age. In older mice…
Post #4022 49
多数跨性别人士遭遇暴力，研究指出
研究指出，全球大约有四分之三的跨性别和性别多样性人士在他们的一生中经历了身体或性暴力，研究人员在《JAMA Network Open》杂志上发表了这一发现。
来源: Medical Xpress ｜ 阅读全文
发布时间: 2026-02-20 19:27 GMT+8（北京时间）
#跨性别 #性别多样性 #暴力 #研究
Medicalxpress Most transgender people have been victims of violence, study says Most transgender and gender-diverse people have been victims of physical or sexual violence, a new evidence review says. Overall, nearly two-thirds (64%) of transgender and gender-diverse people worldwide ...
Post #4021 44
发现巨型病毒可能重写复杂生命的起源
日本发现的巨型病毒ushikuvirus感染了amoebae，展现出独特的特征，连接了不同巨型DNA病毒家族。其异常的入侵和干扰宿主细胞核的方式，为我们提供了新的见解，揭示了病毒如何影响细胞核的演化。这个发现进一步加深了病毒及其在生命重大跃…
来源: ScienceDaily ｜ 阅读全文
发布时间: 2026-02-20 11:28 GMT+8（北京时间）
#ushikuvirus #巨型病毒 #复杂生命 #细胞核 #病毒进化
ScienceDaily Giant virus discovery could rewrite the origin of complex life A giant virus discovered in Japan is adding fuel to the provocative idea that viruses helped create complex life. Named ushikuvirus, it infects amoebae and shows unique traits that connect different families of giant DNA viruses. Its unusual way of hijacking…
Post #4020 33
科学家发现流行的假发中含有与癌症相关的化学物质
一项广泛的新研究揭示了流行的假发中存在的危险化学物质，包括来自人类头发的产品。研究人员在几乎每个样本中检测到几十种与癌症、激素干扰、生殖伤害和免疫系统影响有关的物质。一些产品含有防火剂、有机锡化合物和与乳腺癌风险增加相关的化…
来源: ScienceDaily ｜ 阅读全文
发布时间: 2026-02-20 12:31 GMT+8（北京时间）
#假发 #癌症 #化学物质 #研究
ScienceDaily Scientists find cancer-linked chemicals in popular hair extensions A sweeping new study has uncovered a troubling mix of hazardous chemicals in popular hair extensions, including products made from human hair. Researchers detected dozens of substances linked to cancer, hormone disruption, reproductive harm, and immune system…
Post #4019 27
科学家揭示出所有复杂生命的氧气之父
科学家长期以来一直认为复杂生命的起源是由两种微生物联合起来的，但一个重大谜团一直困扰着人们：如果一种微生物依赖氧气，而另一种微生物则不需要氧气，那么它们是如何相遇的？新研究表明答案在古老的阿萨格德古菌中。
来源: ScienceDaily ｜ 阅读全文
发布时间: 2026-02-20 14:21 GMT+8（北京时间）
#复杂生命 #氧气 #阿萨格德古菌
ScienceDaily Scientists uncover oxygen-loving ancestor of all complex life For decades, scientists have believed that complex life began when two very different microbes joined forces, eventually giving rise to plants, animals, and fungi. But one major puzzle remained: how could these organisms have met if one depended on oxygen…
Post #4018 23
人类大脑可能比我们想象的更像人工智能
科学家们发现，人类大脑理解语言的方式与先进的人工智能语言模型非常相似。通过跟踪人们听长篇播客时的大脑活动，研究人员发现，意义逐步展开——与GPT风格模型内部的层次化处理类似。
来源: ScienceDaily ｜ 阅读全文
发布时间: 2026-01-21 14:49 GMT+8（北京时间）
#人工智能 #语言模型 #大脑活动
ScienceDaily The human brain may work more like AI than anyone expected Scientists have discovered that the human brain understands spoken language in a way that closely resembles how advanced AI language models work. By tracking brain activity as people listened to a long podcast, researchers found that meaning unfolds step…
Post #4017 29
斯坦福科学家找到了修复关节软骨并停止关节炎的方法
斯坦福医学院的科学家们发现了一种可以逆转关节老化软骨丢失并预防关节炎的治疗方法。通过阻止与老化相关的蛋白质，治疗方案恢复了老鼠的健康关节软骨并改善了关节功能。人体关节软骨样本在接触治疗后也开始重生。
来源: ScienceDaily ｜ 阅读全文
发布时间: 2026-01-21 12:55 GMT+8（北京时间）
#关节软骨 #关节炎 #斯坦福医学院
ScienceDaily Stanford scientists found a way to regrow cartilage and stop arthritis Scientists at Stanford Medicine have discovered a treatment that can reverse cartilage loss in aging joints and even prevent arthritis after knee injuries. By blocking a protein linked to aging, the therapy restored healthy, shock-absorbing cartilage in old…
Post #4016 31
THC微剂量有助于HIV治疗
研究表明THC微剂量可以帮助减轻HIV治疗的许多长期副作用，而不会导致醉酒。研究表明，THC微剂量可以减少炎症、改善肠道菌群、提高血清素水平、降低有害胆固醇和胆汁酸水平。令人惊讶的是，它还可以降低抗逆转录病毒药物的血液水平，同时维持病…
来源: ScienceDaily ｜ 阅读全文
发布时间: 2026-01-21 14:36 GMT+8（北京时间）
#THC #HIV #微剂量 #炎症 #肠道菌群
ScienceDaily Tiny doses of THC show big benefits for HIV treatment A new study suggests that micro-doses of THC could help counter many long-term side effects of HIV treatment without causing intoxication. In animal models, low-dose THC reduced inflammation, improved gut bacteria, boosted serotonin, and lowered harmful cholesterol…
Post #4015 42
抑郁症患者尝试了所有方法，直到这次植入物改变了他们的生活
研究人员报告，迷走神经刺激治疗帮助了许多长期、治疗无效的抑郁症患者感到更好，并且在至少两年内保持这种状态。多数参与者生活了几十年都在患有抑郁症，并且耗尽了几乎所有其他治疗方法。那些在一年后改善的患者很可能在随后的时间内保持或…
来源: ScienceDaily ｜ 阅读全文
发布时间: 2026-01-21 12:44 GMT+8（北京时间）
#抑郁症 #迷走神经刺激 #治疗 #长期效果
ScienceDaily Patients tried everything for depression then this implant changed their lives Researchers report that vagus nerve stimulation helped many people with long-standing, treatment-resistant depression feel better—and stay better—for at least two years. Most participants had lived with depression for decades and had exhausted nearly every…
Post #4014 42
新西兰面临神经学家严重短缺
新西兰的神经学家数量不足以满足诊断和治疗多发性硬化症、阿尔茨海默病和中风等疾病的需求，奥塔哥大学威灵顿分校的研究发现。
来源: Medical Xpress ｜ 阅读全文
发布时间: 2026-02-20 11:50 GMT+8（北京时间）
#新西兰 #神经学家 #短缺 #医疗需求
Medicalxpress New Zealand faces severe shortage of neurologists, study finds New Zealand does not have enough neurologists to keep up with the increase in demand for the diagnosis and treatment of conditions such as multiple sclerosis, Alzheimer's disease and stroke, research ...
Post #4013 53
BJ's Wholesale Club issues salmon recall across seven East Coast states
If you recently bought frozen salmon at BJ's Wholesale Club, check the packaging before your next meal.
来源: Medical Xpress ｜ 阅读全文
发布时间: 2026-02-20 10:10 GMT+8（北京时间）
Medicalxpress BJ's Wholesale Club issues salmon recall across seven East Coast states If you recently bought frozen salmon at BJ's Wholesale Club, check the packaging before your next meal.
Post #4012 50
远程远程遗传服务提高儿童癌症幸存者接受遗传咨询和测试的比例
一项研究发表在《The Lancet Regional Health—Americas》杂志，发现远程远程遗传服务可以提高儿童癌症幸存者接受遗传咨询和测试的比例。
来源: Medical Xpress ｜ 阅读全文
发布时间: 2026-02-20 07:20 GMT+8（北京时间）
#远程遗传服务 #儿童癌症幸存者 #遗传咨询 #遗传测试
Medicalxpress Telehealth genetic services increase uptake of counseling in childhood cancer survivors For childhood cancer survivors, remote telehealth genetic services improve genetic counseling and testing uptake, according to a study published online Feb. 13 in The Lancet Regional Health—Americas.
Post #4011 35
AI工具问世，基因预测和解释能力更强
人工智能在生物学领域的应用日益广泛，深度神经网络（DNNs）工具已经被证明对基因实验结果的预测至关重要。这些工具的有用性使其有望成为高效的AI指导研究和潜在的救命发现的舞台——如果科学家能解决问题。研究结果发表在npj人工智能杂志上…
来源: Medical Xpress ｜ 阅读全文
发布时间: 2026-02-20 07:00 GMT+8（北京时间）
#人工智能 #基因预测 #深度神经网络
Medicalxpress AI tool debuts with better genomic predictions and explanations Artificial intelligence has taken the world by storm. In biology, AI tools called deep neural networks (DNNs) have proven invaluable for predicting the results of genomic experiments. Their usefulness ...
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