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Showing posts older than #4491 · Back to latest

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Post #4490 106
胰岛素胶囊或将取代日常注射
近代科学家一直在追求胰岛素胶囊,但消化系统一直在破坏药物,使得数百万患者不得不每天注射。现在,熊本大学的研究人员开发了一种巧妙的解决方案,使用一种小分子肽帮助胰岛素通过肠壁。
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-24 16:08 GMT+8(北京时间)
#胰岛素 #胰岛素胶囊 #肠道 #肽
ScienceDaily Insulin pills may soon replace daily injections For over a century, scientists have chased the dream of insulin pills, but the digestive system kept destroying the drug before it could work—forcing millions of patients to rely on daily injections. Now, researchers at Kumamoto University have developed…
Post #4489 127
50岁以上女性用这种组合减重成功,减重量达35%
研究发现,经绝经后的女性使用激素替代疗法与抗肥胖药物组合,相比单独使用抗肥胖药物,减重量达35%。这项研究揭示了激素和先进减重药物之间的潜在协同作用,可能为数百万经绝经后面临心血管代谢风险的女性开启了更有效、个性化的减重治疗途…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-24 09:06 GMT+8(北京时间)
#激素替代疗法 #抗肥胖药物 #减重 #经绝经后女性 #心血管代谢风险
ScienceDaily Women over 50 lost 35% more weight with this surprising combo Postmenopausal women may have a powerful new edge in the battle against weight gain. A Mayo Clinic study found that those using menopausal hormone therapy while taking the obesity drug tirzepatide lost about 35% more weight than those on the drug alone. The…
Post #4488 138
新型牙粉无害洁白牙齿
研究人员开发了一种牙粉,通过电动牙刷的振动作用安全地去除牙齿上的斑点。与传统洁白牙膏不同,这种牙粉不仅能洁白牙齿,还能修复牙釉质并支持健康的口腔细菌。实验室测试显示出显著的洁白效果,动物实验显示出有害微生物和炎症的减少。这可…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-24 08:24 GMT+8(北京时间)
#牙粉 #洁白牙齿 #牙釉质修复
ScienceDaily This new tooth powder whitens teeth without damage Researchers have developed a teeth-whitening powder that works with the vibrations of an electric toothbrush to safely remove stains. Unlike traditional whiteners, it not only brightens teeth but also repairs enamel and supports healthy oral bacteria. Lab…
Post #4487 135
一种有希望的肝脂肪病治疗方法可能会增加癌症风险
研究人员发现,抑制一种被认为是保护性的酶,Caspace-2,可能会在长期内增加肝脏慢性损伤和癌症的风险。研究人员发现,缺乏这种酶,肝细胞会异常增大,积累基因损伤,导致炎症、纤维化和最终肿瘤,尤其是在老年人中。虽然抑制Caspace-2可能会…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-23 15:13 GMT+8(北京时间)
#肝脂肪病 #Caspase2 #癌症风险
ScienceDaily A promising fatty liver treatment may raise cancer risk A surprising new study reveals that blocking a supposedly protective enzyme, Caspase-2, could actually backfire—raising the risk of chronic liver damage and cancer over time. Researchers found that without this enzyme, liver cells grow abnormally large and…
Post #4486 113
新血液检测可能在癌症发病前发现胰腺癌
研究人员找到了两种在血液中未知的蛋白质,当与现有标记物结合时,能够显著提高检测准确率。该四项标记物检测方法能够在超过90%的病例中发现胰腺癌,并且在早期阶段表现出特别好的效果,早期治疗的成功率最高。
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-23 15:33 GMT+8(北京时间)
#胰腺癌 #血液检测 #癌症早期诊断
ScienceDaily New blood test could catch pancreatic cancer before it’s too late A new blood test could change the outlook for one of the deadliest cancers—pancreatic cancer—by catching it much earlier than ever before. Researchers identified two previously unknown proteins in the blood that, when combined with existing markers, dramatically…
Post #4485 89
科学家发现阿尔茨海默病的“死亡开关”
科学家们在大脑中发现了一种潜在的“死亡开关”,这种开关可能是阿尔茨海默病的驱动力,并且在实验中发现了关闭它的方法。这种死亡开关是由两种有毒蛋白质的结合体形成的,当它们结合时,会导致大脑细胞的破坏和记忆丧失。通过使用一种新化合物…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-23 17:34 GMT+8(北京时间)
#阿尔茨海默病 #死亡开关 #大脑细胞 #蛋白质积累
ScienceDaily Scientists discover Alzheimer’s hidden “death switch” in the brain Scientists have uncovered a hidden “death switch” in the brain that may be driving Alzheimer’s disease—and even found a way to turn it off in mice. The culprit is a toxic pairing of two proteins that, when combined, triggers the destruction of brain cells…
Post #4484 84
阿罗胶囊中的一个隐藏化合物瞄准阿尔茨海默病
科学家们揭示了阿罗胶囊中的化合物可能在阿尔茨海默病治疗中的作用。通过使用先进的计算机模拟,研究人员发现β-ситosterol——一种天然植物化合物——与记忆丧失和认知下降的两大关键酶有强烈的相互作用。该化合物表现出稳定性、强有力的结合…
来源: ScienceDaily | 阅读全文
发布时间: 2026-02-08 20:57 GMT+8(北京时间)
#阿罗胶囊 #阿尔茨海默病 #βситosterol
ScienceDaily A hidden Aloe vera compound takes aim at Alzheimer’s Scientists have uncovered promising clues that compounds found in Aloe vera could play a role in fighting Alzheimer’s disease. Using advanced computer modeling, researchers discovered that beta-sitosterol—a natural plant compound—strongly interacts with two…
Post #4483 83
科学家发现高血压的惊人脑激活点
科学家们发现了一个惊人的脑激活点,高血压的根源在于脑干的一个小区域,这个区域负责控制呼吸,在强烈呼气时会被激活,进而激活血管收缩的神经,导致血压升高。通过实验,科学家们发现,当这个区域被切断时,血压会恢复正常,表明它在高血压中的…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-23 11:30 GMT+8(北京时间)
#高血压 #脑激活点 #脑干 #血压
ScienceDaily Scientists discover surprising brain trigger behind high blood pressure Scientists have uncovered a surprising brain-based trigger for high blood pressure, tracing it to a small region in the brainstem that normally controls breathing. This area, which kicks in during forceful exhalations like coughing, laughing, or exercise…
Post #4482 107
水獭改变河流,成为强大的碳汇
研究表明,水獭可能成为气候变化的不起眼英雄。通过建造水坝并将流域转变为湿地,水獭重塑了碳在景观中的移动和储存方式。仅仅13年,瑞士的一片由水獭改造的湿地就储存了超过1000吨的碳,甚至比没有水獭的相似区域多10倍。
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-22 19:21 GMT+8(北京时间)
#水獭 #碳汇 #湿地
ScienceDaily Beavers are turning rivers into powerful carbon sinks Beavers may be unlikely climate heroes, but new research suggests they could play a powerful role in fighting climate change. By building dams and transforming streams into wetlands, these industrious animals dramatically reshape how carbon moves and is stored…
Post #4481 122
为什么苍蝇总是能找到你并决定攻击你
科学家们终于揭开了苍蝇如何决定飞行的地点的秘密——它们并不是通过跟随其他苍蝇来实现的,而是每只苍蝇独立地对视觉信号和二氧化碳做出反应,当这两种信号同时出现时,它们就会锁定人类。黑色和二氧化碳的结合会产生最强的吸引力,触发群聚…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-22 19:48 GMT+8(北京时间)
#苍蝇 #蚊子 #吸引 #二氧化碳
ScienceDaily Why mosquitoes always find you and how they decide to attack Scientists have finally cracked how mosquitoes decide where to fly—and it’s not by following each other. Instead, each insect independently reacts to visual cues and carbon dioxide, zeroing in on humans when both signals align. Dark colors and CO2 together…
Post #4480 107
Ozempic减肥药降低抑郁、焦虑和成瘾风险
GLP-1类药物如Ozempic可能在减肥的同时带来意想不到的精神健康益处。研究发现使用该药物的患者抑郁、焦虑和精神病相关住院率大幅下降。研究人员认为,既可能是生活方式的改善,也可能是药物直接作用于大脑。
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-22 20:03 GMT+8(北京时间)
#Ozempic #GLP1 #抑郁 #焦虑 #成瘾
ScienceDaily Weight loss drug Ozempic cuts depression, anxiety, and addiction risk GLP-1 medications like semaglutide (Ozempic) may offer unexpected mental health benefits alongside weight loss. A large study found major drops in depression, anxiety, and psychiatric-related hospital visits among users. Even substance use disorders were…
Post #4479 123
河流鱼类中隐藏的抗生素引发新型食品安全担忧
科学家在巴西一大河中发现,抗生素在干季时更为集中积累,甚至在食用鱼中检测到一种被禁用的药物,引发人类暴露的担忧。研究人员发现一种常见的水生植物能够有效清除水中这些化学物质,但它也改变了鱼类吸收这些物质的方式,产生了意想不到的…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-22 08:48 GMT+8(北京时间)
#抗生素 #河流 #水质 #食用鱼 #环境污染
ScienceDaily Hidden antibiotics in river fish spark new food safety fears Antibiotics are accumulating in a major Brazilian river, especially during the dry season when pollution becomes more concentrated. Scientists even detected a banned drug inside fish sold for food, raising concerns about human exposure. A common aquatic plant…
Post #4478 103
新药Enliktide降低“坏”胆固醇60%
一项大型临床试验表明,新药Enliktide可以降低LDL(“坏”)胆固醇约60%,其效果与注射疗法相当。由于它可以口服,可能可以克服患者使用当前治疗方法的最大障碍。研究人员指出,即使在服用statins(一种常见的降胆固醇药物)后,许多人仍然无法…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-21 20:04 GMT+8(北京时间)
#Enliktide #LDL #胆固醇 #临床试验 #降胆固醇药物
ScienceDaily New pill cuts “bad” cholesterol by 60% in major trial A new pill, enlicitide, reduced LDL (“bad”) cholesterol by about 60% in a large clinical trial, matching the power of injectable therapies. Because it’s taken orally, it could overcome one of the biggest barriers keeping patients from using current treatments.…
Post #4477 103
新AI工具准确预测癌症扩散
研究人员发现癌症扩散并非随机,而是遵循一种生物学“程序”。通过研究结肠肿瘤细胞,他们确定了癌症是否有可能转移的基因模式。他们的AI模型MangroveGS可以预测这种风险约有80%的准确率,并且适用于多种癌症类型。这可能会改变医生决定谁需…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-21 19:44 GMT+8(北京时间)
#癌症 #AI #预测 #转移
ScienceDaily New AI tool predicts cancer spread with surprising accuracy Researchers have discovered that cancer spread isn’t random—it follows a kind of biological “program.” By studying colon tumor cells, they identified gene patterns that signal whether a cancer is likely to metastasize. Their AI model, MangroveGS, can predict…
Post #4476 98
2000万年前的英国,跑得像猎犬的鳄鱼
科学家在英国发现了一个新物种,名为“英国鳄”,它的外形与猎犬相似,拥有长腿和轻便的身体,适合在干旱高原环境中捕食小动物。
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-21 16:57 GMT+8(北京时间)
#鳄鱼 #古生物 #英国
ScienceDaily This crocodile ran like a greyhound across prehistoric Britain 200 million years ago A newly discovered Triassic reptile from the UK looked more like a racing greyhound than a crocodile, built for speed on land. With long legs and a lightweight body, it hunted small animals in a dry, upland environment millions of years ago. Scientists identified…
Post #4475 123
‘永恒化合物’可能会损害孩子的骨骼健康
研究发现,儿童接触‘永恒化合物’可能会影响他们的骨骼健康,尤其是在青少年时期。研究人员发现,接触的时间可能会起到关键作用。减少儿童接触‘永恒化合物’的机会可能会有助于保护他们的骨骼健康。
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-21 12:51 GMT+8(北京时间)
#永恒化合物 #PFAS #骨骼健康
ScienceDaily These “forever chemicals” could be weakening kids’ bones for life “Forever chemicals” may be affecting kids in ways that last a lifetime. A new study links early PFAS exposure to lower bone density during the teen years, especially in girls. Researchers also found that when exposure happens may play a key role. Reducing…
Post #4474 113
科学家将益生菌转变为肿瘤猎手癌症杀手
科学家们将益生菌改造成肿瘤寻找者,能够在肿瘤中产生抗癌药物。实验中,这些细菌在小鼠体内侵入肿瘤并产生了癌症治疗药物。这种目标性方法可能使治疗更有效并减少副作用。更多研究需要在人体上进行测试。
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-21 13:26 GMT+8(北京时间)
#益生菌 #肿瘤 #癌症 #抗癌药物
ScienceDaily Scientists turn probiotic bacteria into tumor-hunting cancer killers Scientists have engineered probiotic bacteria to act as tumor-seeking drug factories. In mice, these bacteria infiltrated tumors and produced a cancer-fighting drug right where it was needed. This targeted approach could make treatments more effective and…
Post #4473 91
老年男性失去Y染色体,可能致命
研究发现,随着年龄的增长,男性细胞中丢失Y染色体的现象越来越普遍,可能与心脏病、癌症、阿尔茨海默病和寿命缩短有关。科学家认为,Y染色体丢失的细胞可能会更快地生长并干扰正常的身体功能。这种看似微小的遗传特征可能是老年相关疾病的关键…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-21 08:56 GMT+8(北京时间)
#Y染色体 #老年 #疾病 #遗传学
ScienceDaily Men are losing a key chromosome with age and it may be deadly Aging men often lose the Y chromosome in a growing number of their cells—and it may be far more dangerous than once believed. This loss has been linked to heart disease, cancer, Alzheimer’s, and shorter lifespans. Researchers suspect Y-less cells may grow…
Post #4472 92
闭上眼睛听更好可能是大错特错
人们普遍认为闭上眼睛可以提高听力,但并非总是如此。在嘈杂环境中,参与者在闭眼时更难以听到细微的声音,而匹配视觉信息却可以使其更容易。研究人员发现,闭眼会导致大脑过滤声音的能力增强。保持眼睛开放可能会改善你在噪音环境中听力的效…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-20 19:49 GMT+8(北京时间)
#听力 #闭眼 #噪音环境
ScienceDaily Closing your eyes to hear better might be a big mistake Many people believe closing their eyes sharpens hearing, but that is not always true. In noisy settings, participants struggled more to hear faint sounds with their eyes closed, while matching visuals made it easier. Researchers found that shutting the eyes…
Post #4471 77
病毒疗法使免疫系统对脑癌更具劲头
科学家们找到了让最具攻击性的脑瘤脆弱于免疫系统的方法。通过单次注射修改的病毒,能够侵入胶质母细胞瘤,杀死癌细胞,并唤醒免疫细胞深入肿瘤。这些免疫细胞持续存在并攻击,这与患者的更长存活期有关。
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-20 19:59 GMT+8(北京时间)
#脑癌 #免疫疗法 #病毒疗法
ScienceDaily This virus therapy supercharges the immune system against brain cancer Scientists have found a way to make one of the most aggressive brain tumors vulnerable to the immune system. A single injection of a modified virus can invade glioblastoma, kill cancer cells, and summon immune fighters deep into the tumor. These immune cells…
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