Chocolate is good for your heart, skin and brain. Usually, people think that chocolate is bad for their health. They describe chocolate as “something to die for” or say “death by chocolate”. Now they should bite their tongues! Evidence is showing that some kinds of chocolate are actually good for you in the following ways:

    A happier heart

    Scientists at Harvard University recently examined 136 studies on cocoa—the main ingredient in chocolate and found that it does seem to strengthen the heart．Studies have shown heart benefits from increased blood flow. These benefits are the result of coca's chemicals, which seem to prevent both cell damage and inflammation (炎症)．

    Better blood pressure

    If yours is high, chocolate may help. Jeffrey Blumberg from Tufts University recently found that people with high blood pressure who ate 3.5 ounces of dark chocolate per day for two weeks saw their blood pressure drop quickly.

    Muscle magic

    Chocolate milk may help you recover after a hard workout (锻炼). In a small study at Indiana University, people who drank chocolate milk between workouts did better on a tiredness test than those who had some sports drinks.

    Better for your skin

    German researchers gave 24 women a half-cup of special cocoa every day. After three months, the women's skin was moister (滑润的) and smoother. The research shows that chocolate helps protect and increase blood flow to the skin, improving its appearance．

Brain gains

    It sounds almost too good to be true, but research suggests that chocolate may improve your memory, attention span, reaction time, and problem-solving by increasing blood flow to the brain．

    Americans think that everything we British people say sounds smart. We think that they sound low-class, but secretly we think they sound cool. These are just stereotypes about British and American English, but there is some truth in them.

    What is certainly true is that the differences between British and American English continue to interest us.

    When the US was only around 20 years old, people were already saying that British accents sounded more intelligent, according to Erin Moor's book. That's Not English: Britishisms, Americanisms, and What Our English Says About Us.

    However, there are many different accents in Britain—Moor says the UK may have just as many regional accents as the US, even though the population is around one-fifth the size. In the UK, accents are much more related to class, but to many Americans, even an accent that British people think is “low class” is thought of as intelligent and superior, according to MPR News.

    American slang has been part of British people's vocabulary for a long time—the amount of American television, movies and music enjoyed in the UK means that British people have been using words like “cool” and “awesome” for years now. But sometimes words from the UK make it to the US—like “gobsmacked”.

    “Gobsmacked” started as slang (俚语) from northern England. “Gob” means mouth, so the word means “surprised as if someone smacked (掌掴) you in the mouth”. Reality television brought it to the US, Moor said. When the singer Susan Boyle became famous for her unlikely great singing voice on the show Britain's Got Talent, she used it all the time. “I'm gobsmacked,” she repeated, and it got popular.

    “Americans love a colourful piece of slang as much as anyone else,” said Moor. And this is just one example of how Britons and Americans can leave each other “gobsmacked” with their different types of English!

    The Dunning-Kruger effect is a type of cognitive bias (偏见) in which people believe that they are smarter and more capable than they really are. Essentially, low ability people do not possess the skills needed to recognize their own incompetence. The combination of poor self-awareness and low cognitive ability leads them to overestimate their own capabilities. This phenomenon is something you have likely experienced in real life, perhaps at a holiday family gathering. Throughout the course of the meal, a member of your extended family begins spouting off on a topic, boldly announcing that he is correct and that everyone else's opinion is stupid, uninformed, and just plain wrong. It may be plainly evident to everyone that this person has no idea what he is talking about, but he talks continuously, blithely oblivious (忘乎所以) to his own ignorance.

    The effect is named after researchers David Dunning and Justin Kruger, two social psychologists. They found incompetent people are not only poor performers, they are also unable to accurately assess and recognize the quality of their own work. These low performers were also unable to recognize the skill and competence levels of other people, which is part of the reason why they consistently view themselves as better, more capable, and more knowledgeable than others.

    This is the reason why students who earn failing scores on exams sometimes feel that they deserved a much higher score. They overestimate their own knowledge and ability and are incapable of seeing the poorness of their performance.

    “In many cases, the incompetent are often blessed with an inappropriate confidence, encouraged by something that feels to them like knowledge.” Dunning and his colleagues have also performed experiments where they ask respondents if they are familiar with terms related to subjects including politics, biology, physics, and geography. Along with genuine concepts, they added completely made-up terms. In one such study, approximately 90 percent of respondents claimed that they had at least some knowledge of the made-up terms.

    So what can you do to gain a more realistic assessment of your own abilities? Instead of assuming you know all there is to know about a subject, keep digging deeper. Once you gain greater knowledge of a topic, the more likely you are to recognize how much there is still to learn. Another effective strategy involves asking others for constructive criticism. While it can sometimes be difficult to hear, such feedback can provide valuable insights into how others perceive your abilities. Even as you learn more and get feedback, it can be easy to only pay attention to things that confirm what you think you already know. In order to minimize this confirmation bias, keep challenging your beliefs and expectations and seek out information that challenges your ideas.

    People with an impulsive(冲动的) personality refer to those who tend to do things without considering the possible dangers or problems first. According to a new study by researchers at the University of Georgia, such people may be more likely to have food addiction. The study found that people exhibiting impulsive behavior weren't necessarily overweight, but impulsiveness was related to a direct relationship with food, and therefore, less healthy weight.

    Food addiction has been compared to addictive drug use. Studies have linked the dopamine (多巴胺) release that occurs after tasting delicious food to the dopamine release that happens when people consume other addictive substances.

    Impulsive behavior involves several personality traits (特点). Two of these traits, known as negative urgency and lack of perseverance, were particularly associated with food addiction and high BMI (身体质量指数) during the study.

    Negative urgency is characterized by the tendency to behave impulsively when experiencing negative emotions. Some people might drink alcohol or take drugs. For others, it could mean eating to feel better. Lack of perseverance is when a person has a hard time finishing hard or boring tasks. People with a lack of perseverance might have difficulty attempting to change addictive eating behavior, which could also cause obesity.

    "Impulsiveness might be one reason why some people eat in an addictive way despite motivation to lose weight," said Dr. Ashley Gearhardt, a clinical psychologist. He was involved in developing the Yale Food Addiction Scale in aid of those people. "We are theorizing that if food addiction is really a thing, then our measure, the Yale Food Addiction Scale, should be related to helping control impulsive action," said Gearhardt.

    Clinical psychologist Dr. James MacKillop, whose lab was conducting the study, believes that therapies(治疗，疗法)used to treat addictive drug behavior could help people who suffer from addictive eating habits.

    "Most of the programs for weight loss at this point focus on the most obvious things, which are clearly diet and exercise," MacKillop said. "It seems that managing strong desires to eat would naturally fit in with the skills a person would need to eat healthily."

    Tomorrow brings to a close of the second school term of the 2018 academic year and the start of the winter school holidays. Following a busy examination period, this is a much needed break for many students across the province.

    Wednesday, January 6: Ice Skating

    Welcome to the world of ice for our first cold-weather event of the season! Whether you are a professional ice skater or this will be your first time on the ice, you are guaranteed to have a fantastic time!

    Wednesday, January 13: College Preparedness 2.0

    Although most of the stress of applying for college this year is out of the way, this College Preparedness workshop will help you take other things into consideration. Application deadlines for financial aid are drawing near and we are bringing in the experts to help you through all of the specific details. This workshop will help to best prepare you for scholarships, work study, and student loans that will make paying for college easy as A-B-C, Do-Re-Mi, and 1-2-3.

    Wednesday, January 27: Ecological Risk Assessment of Your Life/Home

    There are so many warnings out there about what you should and should not put in your body and use in your home. This workshop helps make sense of it all. Come to figure out how to live your healthiest possible life without spending a ton of money.

    Wednesday, February 3: Winter Survival in Any Situation

    Living in the outdoors with minimal equipment is a skill and an art. It is particularly challenging when the outside temperatures reach winter lows. The winter survival workshop will show you some old tricks of the trade for surviving outside in cold temperatures and how to make primitive fires.

    Wednesday, February 10: Best Friend Ever

    High school is temporary, but the friendships you make can be forever. How do you make a relationship last? Learn how to be the best friend you can be in this interactive workshop.

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