题目29. How much caffeine is in a cup of coffee? A. Two hundred milligrams B. Twenty-two milligrams C. Twenty milligrams D. Two milligrams 相关知识点: 试题来源: 解析 C 一杯咖啡中含有大约20毫克的咖啡因,因此正确答案为C。反馈 收藏 ...
” Dr. Teresa Fung, professor of nutrition at Simmons University, explains. Dr. Fung is also an adjunct professor of nutrition at the Harvard T.H. Chan School of Public Health. “However,” she adds, “there’s a difference in how much eggs can ...
But how much sleep is the right amount? Experts say that adults (18+ years) need between 7.5 and 8.5 hours of sleep in a 24-hour period. But, sleepqualityoften deteriorates as we age. Researchers at UC Berkeleylinked poor sleep quality with memory loss. They discovered that during deep ...
Too much caffeine can harm a developing baby, especially in the early stages ofpregnancy. Even before you conceive, if you take in more than 400 milligrams of caffeine per day, there may be a negative effect. A fetus’s body breaks down caffeine more slowly because it lacks a specifi...
Low-Sodium:The product contains 140 milligrams or less of sodium per serving. Calorie-Free:The product contains fewer than five calories per serving. Fat-Free and Sugar-Free:The product contains less than a half gram of fat or sugar per serving. ...
Ingesting more than 400 milligrams of caffeine daily (an espresso contains around 60) has been found to lead to headaches, nervousness, irritability, muscle tremors and insomnia. It is also associated with mental-health conditions such as anxiety, and can make chronic health problems, like heart ...
Silver prices are not so much about popularity. It’s a metal that shows how abundance and popularity work together to create an affordable, desirable commodity. Why Is Silver Usually Quoted in USD? While most people might’ve heard of the gold standard, there is in fact a monetary system ...
HHS is a diabetic emergency that occurs when your blood sugar soars over 600 milligrams per deciliter and remains at a very high level for a long period. That can result in severe dehydration and changes in the blood, which can be life-threatening. While HHS has some of the same symptoms...
Sleep.Go to bed and get up at about the same time every day, including on weekends and holidays. When you hit the sack at random times or you get too much or too little shut-eye, that can trigger a headache. Exerciseregularly.You may be tempted to avoid being active, afraid it might...
Say you have a 259 milligram per liter solution of NaOH (259 mg/L) and you want to see what the mmol/L or mM concentration is. You need to do some dimensional analysis, given the fact that there are 1,000 milligrams in a gram and the molar mass of NaOH is (39.997 g/mol). Firs...