Is drinking coffee in the morning good for you?

1. Current scientific research suggests that, on the whole, coffee does more good than harm to health. In addition to refreshing the mind, coffee can help improve mood, relieve depression, enhance athletic performance, and may also be useful for weight loss and reducing the risk of developing type 2 diabetes and Alzheimer's disease. For the average person, it's safe and healthy as long as they keep their daily caffeine intake to 400 milligrams (about 4 cups of coffee) or less.

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2. Regarding the suitability of drinking coffee on an empty stomach in the morning, there is a belief that coffee can lead to excessive secretion of gastric acid, which can irritate the intestines and stomach during fasting, leading to heartburn, regurgitation, nausea and vomiting, ulcers, and indigestion. However, everyone's physique is different, if your stomach and intestines are already more sensitive, drinking coffee on an empty stomach frequent problems, you can try to change this habit, with meals, or drink after meals.

3. In addition, a recent study from the University of Bath in the UK found that drinking coffee before breakfast in the morning after a bad night's sleep may bring about a short-term postprandial rise in blood sugar. That is to say, in this case, coffee may cause the body's ability to tolerate blood sugar to be weakened.

4. Although the rationale for this is not yet clear, the researchers speculate that this short-term response may be related to insulin resistance, meaning that coffee may reduce insulin sensitivity, making it less able to play a role in regulating blood sugar. However, this finding of a short-term effect (1-3 hours) needs to be backed up by more research, and past studies have shown that long-term (2-16 weeks) coffee consumption, in healthy people without diabetes, can improve glucose metabolism and insulin response, thereby reducing the risk of developing type 2 diabetes.

5. In addition to gastrointestinal and glycemic control issues, other claims about coffee consumption on an empty stomach are that it affects digestion and absorption, and causes anxiety and irritability. Again, scientific studies have not been able to support these claims definitively. However, if you drink coffee directly after breakfast, or with other foods, you don't have to worry about it!