
一 | Anurag Kashyap’s neo-noir Kennedy achieved a huge feat recently. In a milestone moment for Indian cinema, the film has been selected as the only title from the country to feature in the debut lineup of the Letterboxd Video Store. On December 10, Letterboxd officially launched its online film-rental platform, Video Store, featuring a curated mix of acclaimed movies, exclusive Academy Award submissions, and festival hits unavailable elsewhere. The platform will let its members watch titles on a transactional video-on-demand (TVOD) model, free from subscriptions. And nestled among nine hand-picked international films is Kennedy, which had its world premiere in 2023 at the Cannes Film Festival. Kashyap, who wrote the film during the lockdown, says, “I am happy that finally the film will be available for the general audience to watch in some parts of the world. It’s one of my most personal films and would love to get the audience feedback and reaction, and I am thankful to Letterboxd for putting it on their new platform. And I am, hopeful that we’ll soon be able to release it in India too as the producers are working on it. Kennedy stars Rahul Bhatt and Sunny Leone. Shot largely at night across Mumbai over an intense 30-day schedule, the film follows an insomniac ex-cop, presumed dead, who continues to work for a corrupt system while seeking redemption. Producer Ranjan Singh adds, “Yes, it’s a great moment that after travelling to almost 30 festivals across the world, the film will be available to cinephiles in these countries and we are extremely proud as the only Indian film in this line-up. We want to thank Letterboxd for choosing Kennedy and our studio partners, Zee Studios for the support that they’ve given to make this possible. We are working together on the India release of the film soon.” After its Cannes premiere, the film screened at the Sydney International Film Festival (Australia), Bucheon International Fantastic Film Festival (South Korea), Neuchâtel International Fantastic Film Festival (Switzerland), MOTELX - Lisbon International Horror Film Festival, Indie Meme Film Festival (Austin, Texas), Indian Film Festival of Melbourne (Australia), London Indian Film Festival (UK), Fantastic Fest (USA), Jio MAMI Mumbai Film Festival, and the Kolkata International Film Festival, among others. The countries where Kennedy will be available are the United States, Canada, the United Kingdom, Ireland, France, Australia, New Zealand, the Netherlands, Belgium, Sweden, Norway, Denmark, Finland, Iceland, and Switzerland. Also Read: Anurag Kashyap to Star in Sam Anton’s Tamil Techno-thriller Unkill 123。
本文编译自西班牙《马卡报》旗下的健康频道
巴塞罗那足球俱乐部的中场球员佩德里,在比赛结束时常常满脸通红,这一现象不仅和运动强度脱不了干系,还与球员调节自身身体机能、提升竞技表现的方式息息相关。马卡报的健康频道专门采访了运动医学专家,为大家揭开这背后的科学奥秘。
佩德里・冈萨雷斯赛后的面部潮红总是格外引人注意。运动医学专家、欧洲大学 i-Shape 研究中心讲师弗朗西斯科・何塞・马丁・戈麦斯解释道:“就这位球员而言,这种反应首先是‘良性运动负荷下的正常表现,不过可能存在一定的遗传易感性’。” 但他也提醒,除了热不耐受或者运动过量之外,“面部潮红的背后,可能还潜藏着其他生理或临床因素”。脸红背后的生理机制:身体怎样应对运动产生的热量?
专家指出,人体依靠 “效率不算高的代谢过程” 为运动提供能量:“细胞代谢(比如糖酵解和线粒体三羧酸循环)释放的能量中,只有 20% - 25% 会转化为机械功(也就是肌肉收缩),剩下 75% - 80% 的能量都以热量的形式散失了。

二 | ” 这意味着,在跑步、举铁或者进行任何运动时,“身体每产生 100 单位的能量,大概就有 75 单位会变成热量”。
他打了个比方:“想象一辆汽车,它只能把 25% 的汽油转化为动能,其余的都通过排气管以热量的形式排出去了。运动时的人体就类似这种情况。”
为了防止核心温度危险升高,进而引发中暑(导致器官功能紊乱甚至衰竭),身体必须要把热量散发出去。马丁・戈麦斯着重强调:“当体温达到 38.5℃时,运动表现就会下滑,人会感觉疲劳,甚至可能抽筋;超过 40℃,就可能出现意识模糊、头晕目眩,甚至有休克的风险;要是达到 42℃,蛋白质就会变性,大脑功能衰竭,可能引发抽搐、中风、昏迷,甚至死亡。

三 | ” 所以,在高强度运动中及时散热极为关键,“不然就相当于从身体内部把自己‘煮熟’了”。面部潮红:身体高效散热的反应
在运动初期,血管会先收缩,之后 “皮肤的血流量能够通过血管扩张增加 4 - 7 倍,尤其是面部和颈部的血管,以此加快热量的散发”。专家指出,这并不是什么异常情况,“而是身体为了提高散热效率,在长期进化过程中形成的一种适应性机制”。

四 |
那些能够通过蒸发(出汗)和辐射散掉更多热量的人,“在高强度运动中会更有优势,能避免体温过度升高,从而延缓运动性疲劳的出现”。为何佩德里更容易脸红?遗传因素与生理特征共同作用
专家分析,“皮肤白皙、表层毛细血管密度高的人,更容易出现面部潮红,佩德里很可能就是这种情况”。

五 | 另外,经过系统训练的运动员 “产热能力更强,同时,他们还能通过更高的皮肤血流量来提升散热效率”,这是身体适应运动的一种表现。
研究显示,面部潮红存在一定的遗传倾向:“皮肤光型较浅(I 型和 II 型)的人,真皮透明度更高,毛细血管扩张以及运动时的交感神经反应会更明显;此外,还有部分基因与主观热感以及皮肤血管反应有关。”导致面部潮红加剧的常见因素
除了运动强度之外,还有以下这些因素可能会加重脸红的现象:

六 |
虽说多数情况下,面部潮红属于良性反应,但还是要排查以下这些可能:
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