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来源：小宇宙
Is it really a good idea to drink coffee every morning?
If the mere smell of a good cup of coffee is enough to get you out of bed, you might want to rethink your early morning ritual. According to nutritionists, drinking coffee right after waking up can have harmful effects. While you might rely on it to wake you up and give you energy, consuming it this early can actually make you more tired.
Isn't coffee a stimulant?
Yes, but that's part of the problem. When you wake up, your body naturally produces cortisol, the stress hormone, to help you get going. Adding caffeine at this time can cause an excess of cortisol, which isn't good for your body and can make you feel even more tired, especially if you drink it on an empty stomach.
What happens when you drink coffee on an empty stomach?
Nutritionists explain that without food to slow down its absorption, caffeine quickly enters your bloodstream, which can lead to an accelerated heart rate and palpitations. It overstimulates your brain's synapses, leading to brain fatigue and overall tiredness. The initial excitement from caffeine masks this fatigue, but it eventually catches up with you, leaving you even more tired.
Another side effect of drinking coffee in the morning is weight gain. It can promote insulin resistance, making it unsuitable for diabetics. Drinking coffee on an empty stomach prevents the elimination of cortisol, creating stress, disrupting blood sugar regulation and encouraging weight gain and fatigue. That's why it's important to give your body time to lower its cortisol levels.
So what should you drink in the morning?
You don't have to give up your morning coffee entirely, just try to drink it at the right time. Your body's natural cortisol peaks occur between 8 and 9am, 12 and 1pm, and 5 and 6.30pm. During these times, your body doesn't need extra stress. Instead, try drinking coffee between these peaks.
Any tips for coffee lovers?
If you're really addicted to your morning cup, try postponing it. Ideally, have your first cup about an hour after waking up, in the middle of breakfast, to limit its impact on your body, especially your digestive system. Remember, coffee can also irritate your liver. There you have it.
词汇表
ritual [ˈrɪtʃuəl] n. 仪式，惯例，习惯
nutritionist [njuːˈtrɪʃənɪst] n. 营养学家
stimulant [ˈstɪmjələnt] n. 兴奋剂，刺激物
cortisol [ˈkɔːtɪsɒl] n. 皮质醇
stress hormone [ˈhɔːməʊn] 压力荷尔蒙，应激激素
caffeine [ˈkæfiːn] n. 咖啡因
bloodstream [ˈblʌdstriːm] n. 血流，血液循环
palpitation [ˌpælpɪˈteɪʃn] n. 心悸，心跳过快
overstimulate [ˌəʊvəˈstɪmjuleɪt] vt. 过度刺激
synapse [ˈsaɪnæps] n. （神经元的）突触
insulin resistance [ˈɪnsjəlɪn rɪˈzɪstəns] 胰岛素抵抗，胰岛素抗性
diabetic [ˌdaɪəˈbetɪk] n. 糖尿病患者
elimination [ɪˌlɪmɪˈneɪʃn] n. 消除，排除，排泄，代谢
blood sugar regulation 血糖调节
postpone [pəˈspəʊn] vt. 推迟，延期
digestive system [daɪˈdʒestɪv] 消化系统
irritate [ˈɪrɪteɪt] vt. 刺激，使恼怒，使不适
liver [ˈlɪvə(r)] n. 肝脏
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If the mere smell of a good cup of coffee is enough to get you out of bed, you might want to rethink your early morning ritual. According to nutritionists, drinking coffee right after waking up can have harmful effects. While you might rely on it to wake you up and give you energy, consuming it this early can actually make you more tired.
Isn't coffee a stimulant?
Yes, but that's part of the problem. When you wake up, your body naturally produces cortisol, the stress hormone, to help you get going. Adding caffeine at this time can cause an excess of cortisol, which isn't good for your body and can make you feel even more tired, especially if you drink it on an empty stomach.
What happens when you drink coffee on an empty stomach?
Nutritionists explain that without food to slow down its absorption, caffeine quickly enters your bloodstream, which can lead to an accelerated heart rate and palpitations. It overstimulates your brain's synapses, leading to brain fatigue and overall tiredness. The initial excitement from caffeine masks this fatigue, but it eventually catches up with you, leaving you even more tired.
Another side effect of drinking coffee in the morning is weight gain. It can promote insulin resistance, making it unsuitable for diabetics. Drinking coffee on an empty stomach prevents the elimination of cortisol, creating stress, disrupting blood sugar regulation and encouraging weight gain and fatigue. That's why it's important to give your body time to lower its cortisol levels.
So what should you drink in the morning?
You don't have to give up your morning coffee entirely, just try to drink it at the right time. Your body's natural cortisol peaks occur between 8 and 9am, 12 and 1pm, and 5 and 6.30pm. During these times, your body doesn't need extra stress. Instead, try drinking coffee between these peaks.
Any tips for coffee lovers?
If you're really addicted to your morning cup, try postponing it. Ideally, have your first cup about an hour after waking up, in the middle of breakfast, to limit its impact on your body, especially your digestive system. Remember, coffee can also irritate your liver. There you have it.
词汇表
ritual [ˈrɪtʃuəl] n. 仪式，惯例，习惯
nutritionist [njuːˈtrɪʃənɪst] n. 营养学家
stimulant [ˈstɪmjələnt] n. 兴奋剂，刺激物
cortisol [ˈkɔːtɪsɒl] n. 皮质醇
stress hormone [ˈhɔːməʊn] 压力荷尔蒙，应激激素
caffeine [ˈkæfiːn] n. 咖啡因
bloodstream [ˈblʌdstriːm] n. 血流，血液循环
palpitation [ˌpælpɪˈteɪʃn] n. 心悸，心跳过快
overstimulate [ˌəʊvəˈstɪmjuleɪt] vt. 过度刺激
synapse [ˈsaɪnæps] n. （神经元的）突触
insulin resistance [ˈɪnsjəlɪn rɪˈzɪstəns] 胰岛素抵抗，胰岛素抗性
diabetic [ˌdaɪəˈbetɪk] n. 糖尿病患者
elimination [ɪˌlɪmɪˈneɪʃn] n. 消除，排除，排泄，代谢
blood sugar regulation 血糖调节
postpone [pəˈspəʊn] vt. 推迟，延期
digestive system [daɪˈdʒestɪv] 消化系统
irritate [ˈɪrɪteɪt] vt. 刺激，使恼怒，使不适
liver [ˈlɪvə(r)] n. 肝脏
🪴翻译和pdf见公众号【琐简英语】，回复"1"可进入【打卡交流群】
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