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Post #4470 84
常见疫苗可能降低心脏风险近一半
研究发现,针对疱疹的疫苗可能具有保护心脏的作用,已有高风险人群中,疫苗可以降低心脏大事件的风险46%,降低死亡率66%。科学家认为,预防疱疹可能还能防止血栓相关并发症,进而减少心脏病发作和中风的风险。这种效果如此强大,甚至超过戒烟的…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-20 20:10 GMT+8(北京时间)
#疫苗 #心脏健康 #疱疹 #心脏病
ScienceDaily This common vaccine cuts heart risk nearly in half in new study A shingles vaccine might double as a powerful heart protector. In people already at high risk, it cut major cardiac events by 46% and deaths by an impressive 66% within a year. Scientists think preventing shingles may also stop clot-related complications…
Post #4469 83
大规模研究发现大麻无助于治疗焦虑、抑郁或创伤后压力症
最新的大规模研究发现,尽管数百万人使用大麻治疗焦虑、抑郁或创伤后压力症,但大麻并不能有效地缓解这些症状。研究人员警告说,使用大麻可能会使心理健康恶化,增加精神病和成瘾的风险,同时延缓了已经被证明有效的治疗方法。研究发现,大麻对…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-20 20:27 GMT+8(北京时间)
#大麻 #焦虑 #抑郁 #创伤后压力症 #失眠
ScienceDaily Huge study finds no evidence cannabis helps anxiety, depression, or PTSD The largest review of medicinal cannabis to date found it doesn’t effectively treat anxiety, depression, or PTSD—despite millions using it for those reasons. Researchers warn it could even make mental health worse, raising risks like psychosis and addiction…
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Post #4468 92
干涩苦味可能唤醒你的大脑
研究表明,苦味物质可能通过直接信号激活大脑,引发神经系统的轻微运动。实验表明,苦味物质的摄入会促进大脑的活跃度、好奇心、学习和记忆,尽管这些物质几乎没有进入血液。研究人员认为,关键在于感觉刺激:味觉本身会激活与注意力、动机和应激…
来源: ScienceDaily | 阅读全文
发布时间: 2026-02-08 01:11 GMT+8(北京时间)
#苦味 #大脑 #神经系统 #脑活性
ScienceDaily That dry, bitter taste may be waking up your brain New research suggests the astringent sensation caused by flavanols could act as a direct signal to the brain, triggering effects similar to a mild workout for the nervous system. In mouse experiments, flavanol intake boosted activity, curiosity, learning…
Post #4467 90
奥塞米克等减肥注射停止后会发生什么?
一项大型实证研究发现,近8,000名患者中,大多数停止使用奥塞米克或穆农塞注射后,通过重新开始治疗、更换药物或改变生活习惯,能够保持或继续减轻体重。
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-20 11:08 GMT+8(北京时间)
#奥塞米克 #穆农塞 #减肥 #药物 #生活方式
ScienceDaily What happens after Ozempic shocked researchers Stopping popular weight-loss injections like Ozempic or Mounjaro might not trigger the dramatic rebound many fear. A large real-world study of nearly 8,000 patients found that most people who discontinue these drugs manage to keep the weight off—or even continue…
Post #4466 108
牙周病菌与乳腺癌生长和扩散有关
研究发现,常见的口腔细菌可能会促进和加速乳腺癌的生长和扩散。这种细菌可以通过血液循环到达乳腺组织,引起DNA损伤,促进肿瘤生长和扩散。它还可能使癌细胞更具侵略性和对治疗的抵抗力。BRCA1基因突变的人群中这种影响更为显著,引发了口腔…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-20 11:37 GMT+8(北京时间)
#牙周病菌 #乳腺癌 #BRCA1 #口腔健康 #癌症风险
ScienceDaily Gum disease bacterium linked to breast cancer growth and spread A common oral bacterium tied to gum disease may help spark and fuel breast cancer, according to new research. Scientists discovered it can travel through the bloodstream to breast tissue, where it causes DNA damage and speeds tumor growth and spread. It also…
Post #4465 102
科学家以为乌鸦跟狼一起觅食,结果却是错了
研究人员通过跟踪黄石公园中的乌鸦和狼,发现乌鸦并不是跟随狼觅食,而是通过学习地形的模式,记住狼捕猎的区域,直接飞往这些地方,甚至从远处飞来,展现出它们的高智商。
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-20 09:52 GMT+8(北京时间)
#乌鸦 #狼 #黄石公园 #觅食 #地形模式
ScienceDaily Scientists thought ravens followed wolves. They were wrong Ravens have long been thought to follow wolves to find food, but new research shows they’re far more strategic. By tracking both animals in Yellowstone, scientists discovered that ravens memorize areas where wolf kills are likely and fly directly to those…
Post #4464 100
正常体重人群中腹部脂肪与心力衰竭风险的关联性
研究人员发现,腰围较大的个体,即使体重正常,心力衰竭的风险也会更高。研究表明,腹部脂肪与体质指数(BMI)相比,更强烈地与心力衰竭风险相关。炎症似乎在此类脂肪的危险性中起着关键作用。测量腰围可能成为一种简单的方法,早期检测潜在风险。
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-20 07:40 GMT+8(北京时间)
#腹部脂肪 #心力衰竭 #体质指数 #炎症
ScienceDaily Belly fat linked to heart failure risk even in people with normal weight Carrying extra fat around the waist may be more dangerous than the number on the scale suggests. Researchers found that belly fat was more strongly linked to heart failure risk than BMI, even in people with normal weight. Inflammation seems to play a key…
Post #4463 66
高度加工食品与心脏病发作和中风风险增加67%
研究表明,摄入大量的高度加工食品,如片剂、冷冻餐食、甜饮料和包装零食,可能显著提高心脏问题的风险。美国的一项大型研究发现,日常摄入约9份高度加工食品的人群,心脏病发作、中风或因心脏病死亡的风险增加了67%。即使考虑到卡路里、整体饮食…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-20 08:54 GMT+8(北京时间)
#高度加工食品 #心脏病 #中风 #饮食
ScienceDaily Ultra-processed foods linked to 67% higher risk of heart attack and stroke Eating large amounts of ultra-processed foods like chips, frozen meals, sugary drinks, and packaged snacks may significantly raise the risk of serious heart problems. In a major U.S. study, people consuming around nine servings per day had a 67% higher risk…
Post #4462 69
绝经期与关键脑区灰质丢失有关
一项大型研究表明绝经期与脑结构、心理健康和睡眠有关。脑部扫描显示,灰质在记忆和情绪调节相关区域丢失,而许多女性报告了焦虑、抑郁和疲劳的增加。激素替代疗法并没有逆转这些效果,但可能可以减缓反应速度随年龄增长的衰退。研究人员称绝经…
来源: ScienceDaily | 阅读全文
发布时间: 2026-02-07 22:52 GMT+8(北京时间)
#绝经期 #脑结构 #心理健康 #睡眠 #激素替代疗法
ScienceDaily Menopause linked to grey matter loss in key brain regions A major study suggests menopause is linked to changes in brain structure, mental health, and sleep. Brain scans revealed grey matter loss in areas tied to memory and emotional regulation, while many women reported increased anxiety, depression, and fatigue.…
Post #4461 61
减少甜食并不能减少渴望或改善健康
一项新研究表明,减少甜食并不能降低人们对甜食的渴望,也不能改善健康指标。参与研究的人员,无论是增加还是减少甜度,均未对他们的口味偏好、体重或疾病风险产生影响。甚至有很多人在一段时间后又恢复了原来的饮食习惯。研究人员认为,可能是…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-19 18:57 GMT+8(北京时间)
#减少甜食 #健康指标 #口味偏好 #疾病风险
ScienceDaily Cutting sweet foods doesn’t reduce cravings or improve health A new study suggests that eating less sweet food doesn’t make people crave it any less—or improve their health markers. Participants who increased or decreased sweetness in their diets showed no changes in preferences, weight, or disease risk. Many even returned…
Post #4460 66
科学家发现疟原虫中有小型火箭发动机
研究人员发现疟原虫中存在旋转的晶体,这些晶体长期以来一直困扰科学家。新研究揭示它们是由一种类似火箭的反应驱动的,该反应分解过氧化氢,释放能量。这一运动可能有助于疟原虫去除有害化学物质并更有效地管理铁。该发现可能导致新药的开发…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-19 19:19 GMT+8(北京时间)
#疟原虫 #火箭发动机 #微观机器人
ScienceDaily Scientists discover tiny rocket engines inside malaria parasites Malaria parasites contain tiny spinning crystals that have puzzled scientists for years. New research reveals they’re powered by a rocket-like reaction that breaks down hydrogen peroxide, releasing energy. This motion may help the parasite detoxify harmful…
Post #4459 60
最强力的力量训练计划可能比你想象的要简单得多
专家指出,经过几十年的研究,任何形式的阻力训练都能显著增加肌肉、力量和身体功能。关键在于不求完美,而是长期坚持。最好的训练计划就是你能长期坚持的计划。
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-19 20:09 GMT+8(北京时间)
#力量训练 #阻力训练 #肌肉 #身体功能
ScienceDaily The best strength training plan might be simpler than you think New strength training guidelines emphasize that doing any resistance training is what truly matters. Based on decades of research, experts say even simple routines can increase muscle, strength, and physical function. The key is not perfection but consistency.…
Post #4458 75
新药保护肝脏,促进营养吸收,尤其是在肠部手术后
研究人员开发了一种有希望的化合物,直接在肠道中发挥作用,保护肝脏并改善人体吸收营养的能力。实验结果表明,该药物在小鼠实验中提高了体重增长、减少了有害肝纤维化和避免了肠道内的副作用。
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-18 15:31 GMT+8(北京时间)
#肠道手术 #肝脏损伤 #营养吸收
ScienceDaily New drug protects liver after intestinal surgery and boosts nutrient absorption A risky but often lifesaving surgery that removes damaged parts of the small intestine can leave patients facing a new threat: serious liver damage with no available treatment. Now, scientists have developed a promising compound that works directly in the…
Post #4457 87
骑自行车可能让老年人更健康、更独立
一项10年研究在日本发现,老年人骑自行车的人比不骑自行车的人更少需要长期照顾,死亡率也更低,尤其是那些不开车的老年人。研究结果表明,骑自行车不论是在老年还是晚年开始,都能带来明显的健康益处,帮助老年人保持独立和生活质量。
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-19 06:01 GMT+8(北京时间)
#骑自行车 #老年人 #健康 #独立 #生活质量
ScienceDaily This simple habit could help seniors live longer and stay independent Cycling might be one of the simplest ways for older adults to stay healthier, longer. A 10-year study in Japan found that seniors who rode bicycles had lower risks of needing long-term care and dying—especially those who didn’t drive. Continuing or even starting…
Post #4456 98
猫和人类癌症的惊人关联
科学家首次在规模上绘制了猫的癌症基因组,揭示了与人类癌症的重大重叠。某些与乳腺癌相关的基因突变出现在两种物种中,某些人类癌症药物也可能在猫身上发挥作用。由于宠物共享我们的环境,这些相似性可能揭示了癌症的共同原因。该研究可能导…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-19 07:12 GMT+8(北京时间)
#癌症 #猫 #人类 #基因组 #基因突变
ScienceDaily The surprising cancer link between cats and humans Scientists have mapped the genetics of cancer in cats for the first time at scale, uncovering major overlaps with human cancers. Key mutations—like those linked to breast cancer—appear in both species, and some human cancer drugs may also work in cats. Because…
Post #4455 106
科学家重现恐龙巢穴破解 70 万年前的谜团
科学家通过重建一座全尺寸的卵石龙巢穴,了解这些恐龙是如何孵化蛋的。他们的实验表明,恐龙很可能无法直接将所有蛋温暖,这意味着阳光在孵化过程中起到了重要作用。这种不均匀的加热可能导致同一巢穴中的蛋孵化时间不同。这一发现表明卵石龙…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-19 12:58 GMT+8(北京时间)
#卵石龙 #恐龙 #孵化 #阳光
ScienceDaily Scientists recreated a dinosaur nest to solve a 70-million-year-old mystery Scientists recreated a life-size oviraptor nest to understand how these dinosaurs hatched their eggs. Their experiments showed the parent likely couldn’t heat all the eggs directly, meaning sunlight played a key role. This uneven heating could cause eggs…
Post #4454 80
不必减肥就能逆转糖尿病前期的研究发现
长期以来,糖尿病前期患者被告知要减肥,否则会发展成糖尿病。但是,新的研究结果颠覆了这一观点,表明血糖可以恢复正常,即使不减肥。关键在于,不是体重多少,而是脂肪的储存位置。腹部深层的有害脂肪会引发炎症和干扰胰岛素,而皮下脂肪实际上…
来源: ScienceDaily | 阅读全文
发布时间: 2026-03-19 14:32 GMT+8(北京时间)
#糖尿病前期 #减肥 #脂肪储存 #代谢健康
ScienceDaily You don’t need to lose weight to reverse prediabetes, study finds For years, people with prediabetes have been told the same thing: lose weight or risk developing diabetes. But new research flips that idea on its head, showing that blood sugar can return to normal even without shedding pounds. The key isn’t just how much…
Post #4453 88
五岁以下儿童死亡人数减少速度放缓,全球仍有490万儿童在五岁前死亡
根据新发布的估计,2024年有490万个儿童在五岁前死亡,其中230万个新生儿。这些死亡大多数是可以通过已知的低成本干预措施和获得质量医疗保健来预防的。根据《儿童死亡率水平和趋势报告》,自2000年以来,全球五岁以下儿童死亡人数已经下降…
来源: WHO | 阅读全文
发布时间: 2026-03-18 08:01 GMT+8(北京时间)
#儿童死亡 #儿童健康 #健康统计
World Health Organization Progress in reducing child deaths slows as 4.9 million children die before age five An estimated 4.9 million children died before their fifth birthday in 2024, including 2.3 million newborns, according to new estimates released today. Most of these deaths are preventable with proven, low-cost interventions and access to quality health care.
Post #4452 88
美国国家卫生研究院投资 15 亿美元用于人体研究以减少动物模型的使用
美国国家卫生研究院推出新项目,开发、验证和标准化研究工具,以开发更复杂和相关的疾病模型。
来源: NIH | 阅读全文
#美国国家卫生研究院 #人体研究 #动物模型 #疾病模型
Post #4451 117
美国国家卫生研究院投资 11.5 亿美元用于基于人类的研究以减少动物模型的使用
新成立的研究计划将开发、验证和标准化研究工具,以开发更复杂和更相关的疾病模型
来源: NIH | 阅读全文
#美国国家卫生研究院 #人体研究 #动物模型 #疾病模型
National Institutes of Health (NIH) NIH invests $115 million in human-based research to reduce use of animal models New program will develop, validate and standardize research tools to develop more sophisticated and relevant models of disease.
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