（来源：中国科协） 转自：中国科协 最近几年，奶茶越来越火，各种各样的网红奶茶似乎成为越来越多年轻人的"续命快乐水"。 不过，很多人不知道的是，奶茶虽好喝，但其中的咖啡因含量可能比咖啡还高，喝了很可能导致失眠。 奶茶到底有多少咖啡因？ 一杯奶茶里到底有多少咖啡因呢？可能有人在网上曾看到过这样的说法： 一杯奶茶的咖啡因相当于 7 罐红牛； 一杯奶茶咖啡因含量等于 4 杯咖啡； 如果你喝了含咖啡因最多的那杯奶茶，相当于喝了 4 杯咖啡，或者 8 罐红牛； …… 先说结论：以上说法基本没有问题，奶茶中的咖啡因含量的确比咖啡高。 2017 年，上海市消协曾对奶茶进行过一次抽查，检测结果发现：27 个奶茶店的 51 个奶茶品种中，都含有大量咖啡因。所有样品中，每杯的咖啡因含量平 均为 270 mg，其中最高的为 480 mg，基本相当于 4 杯咖啡，或者 8 罐红牛。要知道，一杯美式咖啡（中杯）的咖啡因含量仅为 108 mg；一罐红牛饮料中 咖啡因含量仅为 50 mg。 2019 年，深圳市光明区消费者委员会、深圳市食品药品安全志愿服务也对市售 10 个品牌珍珠奶茶进行了检测，结果发现所有奶茶均被检出含有咖啡因， 平均 ...

Core Insights - The article discusses a recent study from Harvard University indicating that drinking caffeinated coffee may increase the chances of healthy aging in women [2][3][15] - The research highlights that while coffee consumption is linked to health benefits, the effects are relatively small compared to overall healthy lifestyle choices [12][15] Group 1: Study Overview - The study titled "Caffeine Intake and Healthy Aging in Women" was presented at the NUTRITION 2025 conference [2] - It analyzed data from the Nurses' Health Study, involving 47,513 female participants, focusing on their intake of coffee, tea, and cola [4] - The definition of healthy aging includes living to 70 years or older without major chronic diseases or cognitive impairments [5] Group 2: Key Findings - The average caffeine intake among participants during middle age was 315 mg per day, equivalent to about 3 small cups of coffee [7] - Increased caffeine intake (80 mg/day) was associated with a 5% higher chance of healthy aging and a 2% to 5% increase in the likelihood of being free from major chronic diseases [9][8] - Drinking more than 5 cups of coffee per day showed significant benefits [10] Group 3: Beverage Comparisons - Tea and decaffeinated coffee did not show any correlation with healthy aging [11] - Consuming one additional can of cola (approximately 350 mL) was linked to a 19% decrease in the chances of healthy aging and a 20% to 26% reduction in the likelihood of being free from major chronic diseases [12] Group 4: Recommendations and Future Research - The researchers emphasize moderation, suggesting that up to two cups of coffee per day is safe and potentially beneficial [13] - Future research will focus on specific bioactive compounds in coffee and their interactions with genes and metabolism [14]