The difference between systolic and diastolic blood pressure is that systolic refers to the highest pressure when the heart contracts and pumps blood, while diastolic represents the lowest pressure when the heart relaxes between beats. When you measure your blood pressure, you’ll see two numbers, ...
Gives you energy.This is the most well-known effect of caffeine. Because caffeine stimulates your central nervous system (which includes your brain), it can help you feel more awake by giving you a boost of energy. May improve focus and attention levels.Caffeineincreases the production of a b...
原文第四段第二句“A caffeine nap is taken after an intake of caffeine, so that you are asleep while your body digests the caffeine.”中“body digest”意为身体消化，原文意思为“咖啡因小睡是在服过咖啡因之后小睡，这样在睡觉的同时你的身体往消化咖啡因”，A项意为拥有，B项意为饮，C项意为吸收...
Matthew Walker is an expert on sleep. In this class, he will illuminate the science behind sleep and teach you how to increase the quality and quantity of your sleep. Learn how to prevent sleep debt, navigate the effects of alcohol and caffeine, and improve your health. Your bes...
What is the meaning of agonist and antagonist? Anagonist is a drug that binds to the receptor, producing a similar response to the intended chemical and receptor. Whereas an antagonist is a drug that binds to the receptor either on the primary site, or on another site, which all together ...
1. What is the meaning of the under-lined word "groggy" in Paragraph 1?Ever since I was seven years old, my body clock has been set to A. Tired and sleepy."nocturnal". If I try to go to sleep any earlier, I just lie awake, not sleepy B. Excited and satisfied.at all. If I...
In the modern world, it’s typically chronic fear that causes our deep-seated anxiety issues, and everything from the media to caffeine has been blamed. But living in a state of blame has never helped anyone solve their problems. It’s time to take ownership of your emotions and transform...
What is the primary meaning of Fiend? Traditionally, "fiend" refers to an evil spirit or demon. 7 Is addiction a clinical term? Yes, addiction has medical implications, suggesting physical or psychological dependency. 7 Can Fiend be used in a playful context? Yes, such as saying someone is...
What is Lent and why do people fast? Discover the meaning and traditions of the great Lenten season of the Christian faith as we explore the deep history of this time before Easter Sunday. Christianity.com Editorial Staff Christianity.com Updated Jan 17, 2025 ...
The primary active ingredient in tobacco is one you’re probably all familiar with, nicotine. Nicotine is a class of chemical called an alkaloid, meaning that it’s a close relative of the caffeine in coffee and the natural drugs found in some pla...