对你的运动习惯做这一项改变，可能会延长你数年的寿命

* *Draft:* 结果也显示多样性本身很重要。参与不同类型体育活动的人往往有较低的死亡风险，无论他们做了多少总运动量。不过，研究人员强调总体保持活跃仍然很重要。 * *Refinement:* "variety itself matters" -> 多样性本身具有重要意义/至关重要。 "regardless of how much total exercise they do" -> 无论其总运动量如何。 "staying active overall" -> 保持总体活跃状态。 * *Polished:* 结果还表明，多样性本身具有重要意义。无论总运动量如何，参与不同类型体育活动的人群往往死亡风险较低。尽管如此，研究人员强调，保持总体活跃状态依然重要。 * *Segment 2:* "

Why Exercise Variety Matters

" * *Draft:* 为什么运动多样性很重要 * *Polished:*

为何运动多样性至关重要

(Using "至关重要" adds a bit more weight suitable for a heading, or just "重要" is fine. Let's stick to standard heading style: 为何运动多样性很重要). * *Segment 3:* "

Physical activity has long been linked to better physical and mental health, along with a reduced risk of death. However, it has been less clear whether certain types of exercise offer unique advantages, or whether mixing activities provides additional benefits beyond total volume.

" * *Draft:* 体育活动长期以来与更好的身心健康以及降低的死亡风险联系在一起。然而，是否特定类型的运动提供独特的优势，或者混合活动是否在总运动量之外提供额外的好处，一直不太清楚。 * *Refinement:* "linked to" -> 关联/相关。 "reduced risk of death" -> 死亡风险降低。 "unique advantages" -> 独特优势。 "mixing activities" -> 混合进行多种活动。 "beyond total volume" -> 超出总量的/在总量之外的。 * *Polished:* 长期以来，体育活动一直与更好的身心健康以及较低的死亡风险相关联。然而，特定类型的运动是否具有独特优势，或者混合进行多种活动是否能带来超出总运动量之外的额外益处，此前尚不明确。 * *Segment 4:* "

To investigate this, researchers analyzed data from two major long-term studies: the Nurses' Health Study (121,700 female participants) and the Health Professionals Follow-Up Study (51,529 male participants). These studies tracked participants for more than 30 years, with regular updates on lifestyle, health history, and exercise habits collected every 2 years through questionnaires.

" * *Draft:* 为了调查这一点，研究人员分析了来自两个主要长期研究的数据：护士健康研究（121,700名女性参与者）和卫生专业人员随访研究（51,529名男性参与者）。这些研究追踪参与者超过30年，通过问卷每2年收集一次关于生活方式、健康史和运动习惯的定期更新。 * *Refinement:* "Nurses' Health Study" -> 护士健康研究. "Health Professionals Follow-Up Study" -> 卫生专业人员随访研究. "regular updates... collected" -> 定期更新...数据。 * *Polished:* 为对此进行调查，研究人员分析了两项主要的长期研究数据：护士健康研究（121,700名女性参与者）和卫生专业人员随访研究（51,529名男性参与者）。这些研究对参与者进行了长达30多年的追踪，每2年通过问卷收集一次关于生活方式、健康史和运动习惯的定期更新数据。 * *Segment 5:* "

Decades of Data on Movement and Lifestyle

" * *Draft:* 数十年的运动和生活方式数据 * *Polished:*

关于运动与生活方式的数十年数据

* *Segment 6:* "

Participants reported a wide range of physical activities over time. Since 1986, this included walking, jogging, running, cycling (including stationary machines), lap swimming, rowing or callisthenics, tennis and squash or racquetball.

" * *Draft:* 参与者随时间报告了广泛的体育活动。自1986年以来，这包括步行、慢跑、跑步、骑自行车（包括固定器械）、泳池游泳、划船或健美操、网球和壁球或短网拍墙球。 * *Refinement:* "lap swimming" -> 泳池游泳/往返游泳。 "stationary machines" -> 固定器械/健身车 (context implies stationary bikes usually, but literal is machines). "callisthenics" -> 健美操/柔体操。 "racquetball" -> 短网拍墙球/回力球。 * *Polished:* 参与者报告了随时间推移进行的广泛体育活动。自1986年起，这些活动包括步行、慢跑、跑步、骑行（包括使用固定器械）、泳池游泳、划船或健美操、网球以及壁球或短网拍墙球。 * *Segment 7:* " " -> Keep as is. * *Segment 8:* "

Later surveys added more detail, covering weight training or resistance exercise; lower intensity exercise, such as yoga, stretching, and toning; vigorous tasks like lawn mowing; moderate outdoor work such as maintenance and gardening; and heavy outdoor work like digging and chopping.

" * *Draft:* 后来的调查增加了更多细节，涵盖重量训练或阻力运动；低强度运动，如瑜伽、拉伸和塑形；剧烈任务如割草；中等强度户外工作如维护和园艺；以及重度户外工作如挖掘和砍伐。 * *Refinement:* "resistance exercise" -> 阻抗运动/抗阻训练。 "toning" -> 塑形/调理运动。 "vigorous tasks" -> 剧烈任务/高强度任务。 "maintenance" -> 维修/维护。 * *Polished:* 后续的调查增加了更多细节，涵盖了举重训练或抗阻运动；瑜伽、拉伸和塑形等低强度运动；修剪草坪等高强度任务；维修和园艺等中等强度户外工作；以及挖掘和砍伐等重度户外工作。 * *Segment 9:* "

Participants also reported how many flights of stairs they climbed daily, based on the estimate that each flight takes 8 seconds to ascend.

" * *Draft:* 参与者也报告了他们每天爬多少层楼梯，基于每层楼爬升需要8秒的估计。 * *Refinement:* "flights of stairs" -> 层楼梯/段楼梯。 * *Polished:* 参与者还报告了每日爬楼梯的层数，该数据基于每层楼梯爬升需耗时8秒的估算。 * *Segment 10:* "

The analysis included 111,467 participants for total physical activity and 111,373 participants for activity variety. To measure activity levels, researchers used MET scores, calculated by multiplying the average time spent on each activity (in hours/week) by its MET value. METs indicate how much more energy an activity uses compared to resting.

" * *Draft:* 分析包括111,467名参与者用于总体育活动，和111,373名参与者用于活动多样性。为了测量活动水平，研究人员使用MET分数，通过将花在每个活动上的平均时间（小时/周）乘以其MET值来计算。METs指示一项活动相比休息使用了多少更多能量。 * *Refinement:* "MET scores" -> MET评分/代谢当量评分。 "multiplying... by..." -> 将...乘以...。 "compared to resting" -> 相对于静息状态。 * *Polished:* 该分析纳入了111,467名参与者以计算总体育活动量，纳入111,373名参与者以评估活动多样性。为测量活动水平，研究人员使用了MET（代谢当量）评分，计算方法是将每项活动的平均用时（小时/周）乘以其MET值。MET值表示某项活动相对于静息状态的能量消耗倍数。 * *Segment 11:* "

Activity Levels, Habits, and Health Profiles

" * *Draft:* 活动水平、习惯和健康概况 * *Polished:*

活动水平、习惯与健康概况

* *Segment 12:* "

Across both groups, individuals could report up to 11 or 13 different activities depending on the study. Walking was the most common form of leisure exercise, while men were more likely than women to * "During more than three decades of follow-up": 在超过三十年的随访期间. * "38,847 participants died": 38,847名参与者死亡. * "including...": 其中包括... * "cardiovascular disease": 心血管疾病. * "cancer": 癌症. * "respiratory disease": 呼吸系统疾病. * *Draft:* 在超过三十年的随访期间，共有38,847名参与者去世，其中包括9,901人死于心血管疾病，10,719人死于癌症，3,159人死于呼吸系统疾病。 * *Sentence 2:* "Higher levels of physical activity, along with most individual types of exercise except swimming, were linked to a lower risk of death from any cause." * "Higher levels of physical activity": 更高水平的体力活动. * "along with most individual types of exercise except swimming": 以及除游泳外的大多数个人运动类型. * "were linked to": 与...相关 (or "与...有关"). * "lower risk of death from any cause": 较低的全因死亡风险. * *Draft:* 更高水平的体力活动，以及除游泳外的大多数个人运动类型，均与较低的全因死亡风险相关。 * *Sentence 3:* "However, the relationship was not linear." * "However": 然而. * "relationship was not linear": 这种关系并非线性的. * *Draft:* 然而，这种关系并非线性的。 * *Sentence 4:* "The benefits of total activity appeared to level off after about 20 weekly MET hours, suggesting there may be a point beyond which additional activity provides less added benefit." * "The benefits of total activity": 总活动量的益处. * "appeared to level off": 似乎趋于平稳/平台期. * "after about 20 weekly MET hours": 在每周约20 MET小时后. (MET = Metabolic Equivalent of Task, usually translated as 代谢当量 or kept as MET in scientific contexts. I will use MET小时 as it's standard in Chinese medical/fitness research). * "suggesting there may be a point": 表明可能存在一个临界点. * "beyond which additional activity provides less added benefit": 超过该点后，额外的活动带来的额外益处较少. * *Draft:* 总活动量的益处在每周约20 MET小时后似乎趋于平稳，这表明可能存在一个临界点，超过该点后额外的活动提供的增量益处较少。 * *Heading:* "Which Activities Were Linked to Lower Risk" * *Draft:* 哪些活动与较低风险相关 * *Sentence 5:* "Walking showed one of the strongest associations, with those who walked the most having a 17% lower risk of death compared with those who walked the least." * "Walking showed one of the strongest associations": 步行显示出最强的相关性之一. * "with those who walked the most": 步行最多的人. * "having a 17% lower risk of death": 死亡风险降低17%. * "compared with those who walked the least": 与步行最少的人相比. * *Draft:* 步行显示出最强的相关性之一，步行最多的参与者与步行最少的相比，死亡风险降低了17%。 * *Sentence 6:* "Climbing stairs was linked to a 10% lower risk." * "Climbing stairs": 爬楼梯. * *Draft:* 爬楼梯与死亡风险降低10%相关。 * *Sentence 7:* "Other activities were also associated with reduced risk when comparing the least active to the most active participants." * "Other activities": 其他活动. * "associated with reduced risk": 与风险降低相关. * "when comparing the least active to the most active participants": 在比较活动量最少和最多的参与者时. * *Draft:* 在比较活动量最少和最多的参与者时，其他活动也与风险降低相关。 * *Sentence 8:* "Tennis, squash, or racquetball were linked to a 15% lower risk." * "Tennis, squash, or racquetball": 网球、壁球或短网拍墙球. (Racquetball is specifically 短网拍墙球, Squash is 壁球). * *Draft:* 网球、壁球或短网拍墙球与死亡风险降低15%相关。 * *Sentence 9:* "Rowing or callisthenics showed a 14% reduction." * "Rowing": 划船. * "callisthenics": 健美操/徒手健身. (Callisthenics usually refers to bodyweight exercises like pushups, situps, etc. "健美操" is common but sometimes implies aerobics. "徒手健身" is more precise for modern context, but "健美操" is the standard medical translation in many contexts. Let's use "健美操" or "柔体操/徒手体操". "健美操" is acceptable in broad health contexts. Let's check standard translations. Callisthenics -> 健美操/徒手体操. I will use "健美操" as it is widely understood in Chinese health reports, or "徒手健身" for clarity. Let's stick to "健美操" or "徒手体操". Actually, "健美操" often implies aerobics. "徒手体操" is safer. Let's look at the context. It's a list of exercises. "Rowing or callisthenics". I will translate as "划船或健美操".) * *Draft:* 划船或健美操显示出风险降低了14%。 * *Sentence 10:* "Weight training or resistance exercises and running were each linked to a 13% lower risk." * "Weight training": 举重/负重训练. * "resistance exercises": 阻抗训练/抗阻运动. * "running": 跑步. * *Draft:* 负重训练或抗阻运动以及跑步均与死亡风险降低13%相关。 * *Sentence 11:* "Jogging was associated with an 11% reduction, while cycling showed a smaller 4% decrease." * "Jogging": 慢跑. * "cycling": 骑自行车/骑行. * *Draft:* 慢跑与风险降低11%相关，而骑自行车显示出较小的4%降幅。 * *Heading:* "The Added Benefit of Exercise Variety" * *Draft:* 运动多样性的额外益处 * *Sentence 12:* "Engaging in a wider range of activities was linked to even greater benefits." * "Engaging in a wider range of activities": 参与更广泛的活动/参与多种类型的活动. * *Draft:* 参与更多样化的活动与更大的益处相关。 * *Sentence 13:* "After accounting for total exercise levels, participants who performed the most diverse set of activities had a 19% lower risk of death from all causes." * "After accounting for total exercise levels": 在考虑了总运动水平后. * "participants who performed the most diverse set of activities": 进行最多样化活动的参与者. * "death from all causes": 全因死亡. * *Draft:* 在考虑了总运动水平后，活动类型最多样化的参与者全因死亡风险降低了19%。 * *Sentence 14:* "They also showed a 13-41% lower risk of death from cardiovascular disease, cancer, respiratory disease, and other causes compared with those who engaged in fewer types of activity." * "They also showed": 他们还表现出. * "13-41% lower risk": 风险降低13-41%. * "compared with those who engaged in fewer types of activity": 与活动类型较少的人相比. * *Draft:* 与活动类型较少的人相比，他们死于心血管疾病、癌症、呼吸系统疾病及其他原因的风险也降低了13-41%。 * *Heading:* "Study Limitations and What It Means" * *Draft:* 研究局限性与意义 * *Sentence 15:* "This research is observational, which means it cannot prove cause and effect." * "observational": 观察性研究. * "prove cause and effect": 证明因果关系. * *Draft:* 这