Coffee basic knowledge Coffee and Health Q & A

Does Coffee Affect Sleep?

Many people experience high spirits after drinking coffee and can't sleep. This is because there is a conductive substance called adenosine in the body, which can control nerve activity, causing breathing to slow down, mood to weaken, acid secretion to decrease, and diuretic effects. Caffeine, on the other hand, imitates adenosine, making the body think that the effects of adenosine have occurred, making you feel energetic, acid increased, more frequent urination, and naturally less able to sleep. It is worth noting that this brief wakefulness caused by caffeine does not mean that physical strength has really recovered. In addition, everyone's metabolic rate to caffeine varies, and their sensitivity to it varies, so some people don't feel that sleep is affected after drinking coffee. Therefore, a cup of hot coffee after getting up in the morning can lift the body and mind and make the mood more comfortable, while at night it may cause insomnia.

Does coffee cause calcium loss?

In recent years, as people pay more and more attention to the problems of calcium loss and osteoporosis, coffee has also generated considerable doubts. There is no direct evidence that caffeine causes osteoporosis, but some studies suggest that caffeine increases calcium loss. Therefore, it is recommended that coffee lovers should eat more high-calcium foods to supplement calcium, such as preparing custard tablets or custard cakes with coffee to enjoy, not only to supplement calcium, but also to make coffee more delicious.

Should coffee be drunk hot?

The best drinking temperature for coffee is 85 - 88 degrees Celsius. A good cup of coffee should be consistent in taste regardless of temperature, which is why coffee testers rate coffee from hot to cold. A cup of good quality coffee, in addition to the flavor reduction after cooling, the taste performance will be even better than when the temperature is hot. However, because of the instability of coffee itself, most people encourage drinking coffee when it is hot. From a certain point of view, when a cup of hot coffee is in front of you, drinking hot coffee is a courtesy of coffee.

Is coffee a beauty killer?

So far, there has not been any study showing that caffeine and melanin in coffee have an absolute relationship with increased melanin or skin aging. Conversely, moderate caffeine speeds up metabolism, improves digestion, improves constipation, and can improve skin roughness. Caffeine can accelerate metabolism, there is a saying that coffee will accelerate the burning of calories, to achieve the effect of weight loss, basically the theory is correct, but this calorie burning is not so much to lose weight, if the coffee also added sugar and creamer, from the calculation of calories is not in line with the principle of weight loss.

Who doesn't drink coffee?

Patients with cerebral hemangioma are not suitable for drinking coffee, heart disease patients should drink coffee without or low caffeine, because caffeine will increase the heart rate and cause cardiac hypoxia. In addition, patients with skin diseases and stomach problems should drink less coffee as far as possible, so as not to cause deterioration due to excessive consumption. Diabetics should also avoid drinking coffee with too much sugar, so as not to aggravate the disease. The US Food and Drug Administration (FDA) has issued a statement advising women who are pregnant or at risk of becoming pregnant to reduce caffeine intake. Because pregnant women metabolize caffeine about twice as fast in the second and third trimester of pregnancy as they do without pregnancy, caffeine also crosses the placenta into the fetus or enters the baby through breastfeeding. In addition, many studies have failed to prove that moderate amounts of caffeine adversely affect the fetus, and there are no medical reports prohibiting pregnant women from drinking coffee. Pregnant women and nursing mothers are advised to be cautious about caffeine intake. In short, if you find yourself feeling unwell after drinking coffee, you should stop drinking coffee for a while, and then start by reducing your intake and changing your drinking method.