If you drink coffee when you are nervous, it will often make things worse. Caffeine helps to improve alertness, sensitivity and memory, but drinking coffee when nervous can make people feel anxious and have negative effects.

For people with anxiety tendency, caffeine can aggravate the symptoms of sweating, palpitation and tinnitus.

Patients with hypertension should not drink coffee.

Caffeine can excite people and raise blood pressure. However, patients with hypertension have high blood pressure. Under the effect of caffeine, if they are emotionally nervous again, the risk will rise sharply.

Therefore, people who are at risk of hypertension should especially avoid drinking caffeinated drinks such as caffeine under the pressure of work.

Some people who drink coffee all the year round think they are immune to the effects of caffeine, but this is not the case. A study shows that after drinking a cup of coffee, the blood pressure can rise for as long as 12 hours.

Have fun while drinking coffee.

It is best to drink coffee after breakfast and lunch, because it can promote the peristalsis of the stomach, help digestion and break down the high-calorie and high-fat food you eat, and will not stimulate the stomach like drinking coffee on an empty stomach.

It is best not to drink coffee after dinner, so as not to affect sleep. If you want to stay up late by drinking coffee, you may unconsciously drink too much, which is not good for your health.