With the increasing attention of people to health and beauty, ** has become the pursuit of many people. Among them, black coffee, as a common drink, is considered by some people to be a good helper. There are different opinions and controversies about the correct way to drink black coffee, that is, before or after meals, and this article will be carried out from the aspects of **effect, physical health and personal habits**.
Studies have found that 100 mg of caffeine in coffee can accelerate fat breakdown and increase caloric energy expenditure, thereby increasing the body's metabolic rate, and thus achieving weight loss. Especially for those white-collar workers who feel lazy and sleepy after lunch, drinking a cup of unsweetened or companion's strong coffee can help promote fat burning and improve the body's energy expenditure within 30 minutes to 1 hour. At this time, coffee inhibits the excitation of the parasympathetic nervous system, and then excites the sympathetic nervous system, helping people to stay awake and energetic.
Hot coffee is more effective at helping burn calories than iced coffee, and for those who aren't used to the bitter taste of coffee, some milk can be added to improve the taste. But it's best to avoid added sugar, because sugar replenishes the fat burned by coffee, which weakens the effect, and if you want to drink coffee to do it, it's best to choose an unsweetened way to drink it.
Sunny weather can often bring people happy and excited emotions, while cloudy and rainy days can make people feel depressed and tired, this is because the cloudy weather pressure is low, the oxygen concentration drops, which stimulates the excitability of the parasympathetic nerves, causing people to feel depressed and tired, in this case, drinking a cup of coffee is a good choice to wake up the sympathetic nerves. Caffeine can make people feel high and stressed for a short period of time, improve mood, and if you need to refresh yourself for a meeting or get work done, drinking a cup of coffee can help you get into a better mental state. But pay attention to the time you choose to drink coffee, it is generally recommended to drink it around 1 p.m., because the effect of caffeine lasts for about 1 hour; If you want to get some rest in the evening, the last time you can drink coffee is before 5 p.m.
Everyone reacts differently to caffeine, and people who drink a lot of coffee for a long time will have a reduced sensitivity to caffeine, and the effect may not be as good as before; Generally speaking, a cup of coffee contains 75-250 mg of caffeine, and the caffeine content in different foods is also different, so it is necessary to determine the appropriate amount of intake for yourself according to personal experience and feelings.
In addition, it is also necessary to be cautious when drinking coffee and alcohol at the same time, because the alcohol and caffeine in coffee and wine can promote blood circulation, increase blood vessel dilation, and may lead to increased burden on the heart, rapid heartbeat and increased blood pressure. At the same time, caffeine also has a diuretic effect, while alcohol inhibits the secretion of diuretic hormone, and the intake of both may lead to dehydration and electrolyte imbalances, so if you do need to drink coffee, it is recommended to wait 2-3 hours between the two.
The tannic acid in tea and coffee will reduce the absorption of iron, while tannic acid will reduce the absorption of calcium, while drinking tea and coffee will enhance the excitability of the brain nerves and affect sleep, it is best to separate the time to drink tea and coffee; In some specific cases, it is also necessary to pay special attention to the consumption of coffee, if you are taking to regulate osteoporosis, such as calcium, vitamin D, etc., strong tea and coffee will affect its absorption; At the same time, women with heart disease and pregnant, menstruating, and breastfeeding should also avoid excessive consumption of coffee.
In conclusion, drinking coffee in moderation can lift you and improve your mood, but pay attention to the right amount and choose the right time. Everyone's tolerance to caffeine is different, so you should adjust the amount of caffeine according to your feelings, and be cautious when drinking coffee and other beverages to avoid adverse effects on your health.