
07/07/2025
【咖啡係續命水定健康炸彈?打工人必睇飲啡指南】
朝早唔飲杯咖啡點開工?但飲得多又驚傷身?劉德華曾自爆一日飲10杯齋啡,千祈唔好跟風!最新研究話你知點飲先最醒!
一項2024年發表在《Ageing Research Review》期刊的研究證實:每天飲用咖啡2 - 3杯(約150 - 200 ml/杯),死亡風險直降17%,相當於健康壽命延長約1.8年。亦有大量研究顯示,咖啡可以預防心血管病、二型糖尿病、子宮內膜癌及肝臟疾病等等。呢啲作用歸因於咖啡內含的咖啡因、綠原酸同植物多酚等活性成分。咖啡因能調節身體代謝,保護腦細胞並改善認知;綠原酸可以增強胰島素敏感性同減少發炎,從而改善心臟健康;植物多酚則可以促進肝細胞修復,減少脂肪堆積,也有促進血管健康並抑制發炎的作用。
飲咖啡的時間和純度係好關鍵嘅,飲錯咗會危害健康喔!朝早飲咖啡能降低死亡風險,而係下晝或者晚上飲咖啡,就會擾亂晝夜節律。人體入面嘅促炎細胞因子和炎症標誌物有自己嘅晝夜模式,通常係早上達最高水平,然後慢慢下降。所以,當飲咖啡嘅量相同時,早上飲嘅抗炎效果會更好。值得注意嘅係,以上所有研究講嘅健康益處,都係基於不加糖、不加奶/奶精嘅純黑咖啡,添加嘅糖和脂肪會抵消咖啡本身嘅益處,甚至帶來額外嘅健康風險,如肥胖、血糖問題。
給咖啡愛好者的實用建議
每日飲幾多?
現時國際對一般成年人的咖啡因攝取量並未有統一的建議,適量攝取咖啡因不會對一般人的健康構成影響。參考加拿大衛生部建議:成人每日咖啡因攝取量不應超過400毫克,約三杯237 ml的現煮咖啡。至於懷孕、哺乳中或準備懷孕的婦女應限制每日攝取的咖啡因不超過 300毫克 ,略多於兩杯 237 ml的咖啡;兒童則每日不應攝取超過每公斤體重2.5至5毫克的咖啡因。咖啡因攝入過量會刺激中樞神經,造成心跳加快或引起心悸,甚至會增加患上肺癌的機率!所以唔好學華仔飲咁多杯,一日3杯就夠皮喇!
怎樣飲咖啡?
盡量不加糖,或選擇少甜並以脫脂奶代替全脂奶或忌廉,最好飲不加糖、不加奶/奶精嘅齋啡。健康成人吸收咖啡因需45分鐘,15 - 120分鐘後血液內咖啡因濃度達到最高,因此提前半小時飲咖啡,可以及時發揮提神效果。並且應盡量在早上飲,能有助降低慢性疾病風險。但係入睡前4個小時內就唔好再飲咖啡啦,晚上飲咖啡會幹擾睡眠品質,睡眠不足會增加死亡風險喔!
總之,識飲咖啡係健康神器,飲錯咗就變身體負累。大家要記住「朝早齋啡兩三杯,夜啡傷身咪亂嚟」!各位咖啡星人,快啲Mark 低啲重點,飲咖啡飲得健康又愉快嘅同時,都可以精神奕奕地應付每日嘅工作同生活啦!
Reference:
1. Lopes CR, et al. Impact of coffee intake on human aging: Epidemiology and cellular mechanisms. Ageing Res Rev. 2024 Dec;102:102581.
2. Henn M, et al. Coffee Consumption, Additive Use, and Risk of Type 2 Diabetes-Results from 3 Large Prospective United States Cohort Studies. Am J Clin Nutr. 2025 Mar;121(3):695-702.
3. Simon J, et al. Light to moderate coffee consumption is associated with lower risk of death: a UK Biobank study. Eur J Prev Cardiol. 2022 May 6;29(6):982-991.
4. Li Y, et al. Association of Sugar-Sweetened, Artificially Sweetened, and Unsweetened Coffee Consumption with Chronic Liver Disease and Liver-Related Events: A Large Prospective Cohort Study. J Nutr. 2025 Mar;155(3):975-984.
5. Harvard Health Publishing. Drinking coffee and tea linked to lower stroke risk. Available from: https://www.health.harvard.edu/heart-health/drinking-coffee-and-tea-linked-to-lower-stroke-risk [Accessed 24 Jun 2025]
6. Wang X, et al. Coffee drinking timing and mortality in US adults. Eur Heart J. 2025 Jan 8.
7. Centre for Health Protection. 茶或咖啡. Available at:https://www.chp.gov.hk/files/pdf/ncd_watch_nov2016_chi.pdf [Accessed from 24 Jun 2025]
8. Centre for Food Safety. Pay Attention to the intake of caffeine through Beverages. Available at:https://www.cfs.gov.hk/tc_chi/programme/programme_rafs/files/caffaine_c.pdf [Accessed from 24 Jun 2025]
9. Government of Canada. Health Canada Reminds Canadians to Manage Their Caffeine Consumption. Available at: https://recalls-rappels.canada.ca/en/alert-recall/health-canada-reminds-canadians-manage-their-caffeine-consumption [Accessed from 26 Jun 2025]
10. Antonio J, et al. Common questions and misconceptions about caffeine
supplementation: what does the scientific evidence really show? J Int Soc Sports Nutr. 2024 Dec;21(1):2323919.
11. Wang H, et al. Assessing the genetic estimates of the association between plasma caffeine and cancer risk through Mendelian randomization. Eur J Nutr. 2025 Apr 5;64(4):145.
#咖啡上腦模式開啟 #打工人回血法寶 #飲啡飲到出境界 #無啡不歡 #齋啡儀式感 #咖啡唔好亂飲 #咖啡控注意 #朝早齋啡三杯夠晒醒 #咖啡小知識