In England recently three foreign gentlemen came to a bus stop and waited. About five minutes later, the bus they wanted came along. They were just going to get on when suddenly there was a loud noise behind them. People rushed onto the bus and tried to push them out of the way. Someone shouted at them. The bus conductor came rushing down the stairs to see what all the trouble was about. The three foreigners seem all at sea and looked embarrassed. No one had told them about the British custom of lining up for a bus that the first person who arrives at the bus stop is the first person to get on the bus.

    Learning the language of a country isn't enough. If you want to have a pleasant visit, find out as much as possible about the manners and customs of your host country. You will probably be surprised just how different they can be from your own. A visitor to India would do well to remember that people there consider it impolite to use the left hand for passing food at table. The left hand is supposed to be used for washing yourself. Also in India, you might see a man shaking his head at another to show that he doesn't agree. But in many parts of India a shake of the head means agreement. Nodding your head when you are given a drink in Bulgaria will most probably leave you thirsty .

    In that country, you shake your head to mean 'yes'— a nod means 'no'. At a meal in countries on the Arabic Peninsula, you will find that your glass is repeated refilled as soon as you drink up. If you think that you have had enough, you should take the cup or glasses in your hand and give it a little shake from side to side or place your hand over the top.

    In Europe it is quite usual to cross your legs when you are sitting talking to someone even at an important meeting. Doing this in Thailand, however, could bring about trouble. Also, you should try to avoid touching the head of an adult ——it's just not done in Thailand.

    Banks view online banking as a powerful “value-added” tool to attract and keep new customers while helping to avoid costly paper handling or teller（出纳员）interactions in an increasingly competitive banking environment.

    Today, most large national banks, many local banks and credit unions offer some form of online banking, variously known as PC banking, home banking, electronic banking or Internet banking. Online banks are sometimes referred to as “brick-to-click” banks, both to tell them from “brick-to-mortar” banks that haven't yet offered online banking, as well as from “virtual” banks that have no physical branches or tellers whatsoever.

    The challenge for the banking industry has been to design this new service channel in such a way that its customers will readily learn to use and trust it. Most of the large banks can now offer fully safe , fully functional online banking for free or for a small cost. As more banks succeed online and more customers use their sites, fully functional online banking will likely become as common as automated teller machines (ATM).

    Online banking has a lot of advantages. Unlike your corner bank, online banking sites never close; they're at hand 24 hours a day, seven days a week and they're a mouse click away. If you're out of state or even out of the country when a money problem appears, you can log on instantly to your online bank and take care of business. Online bank sites generally carry out and confirm deals at or quicker than ATM processing speeds. Many online banking sites now offer fashionable tools to help you manage all of your valuable items more effectively.

    People seem to have a natural need for friends and with good reason. Friends increase your enjoyment of life and relieve feelings of loneliness. They even can help reduce stress and improve your health. Having good friends is especially helpful when you are going through any kind of hard time such as when you are experiencing anxiety, panic(恐慌) attacks, or depression.

    When you are with good friends you feel good about yourself, and you are glad to be with them. A friend is someone who —

●you like, respect, and trust, and who likes, respects and trusts you

●doesn't always understand you, but accepts and likes you as you are, even as you grow and change

●allows you the space to change, grow, make decisions, and even make mistakes

●listens to you and shares with you both the good times and the bad times

●respects your need for secrets, so you can tell them anything

●lets you freely express your feelings and emotions without judging, laughing at or criticizing you

●accepts the limitations you have put on yourself and helps you to remove them

    A person once said, “Friendship is a continuing source of bonding（连接）, releasing, and creating in yourself and with the other person. There is an emotional bond between the two people.”

    A good friend or supporter may or may not be the same age or the same sex as you, and may not have the same educational, cultural, or religious background, or share interests that are similar to yours. Friendships also have different depths(深度). Some are closer to the heart and some more superficial, but they're all useful and good.

    Contrary to popular belief, people who sleep six to seven hours a night live longer, and those who sleep eight hours or more die younger, according to the latest study ever conducted on the subject. The study, which has tracked the sleeping habits of 1.1 million Americans for six years, weakens the advice of many sleep doctors who have long recommended that people get eight or nine hours of sleep every night.

    “There's an old idea that people should sleep eight hours a night, which has no more scientific basis than the gold at the end of the rainbow,” said Daniel Kripke, professor of psychiatry（精神病学）at the University of California at San Diego who led the study published in a recent copy of JAMA Psychiatry.

    The study was not designed to answer why sleeping longer may be harmful or whether people could extend their lifespan by sleeping less.

    But Kripke said it was possible that people who slept longer tended to suffer from short-term absence of sleeping, a condition where weak breathing puts stress on the heart and brain. He also stressed that the need for sleep was similar to that for food, where getting less than people want may be better for them.

    The study quickly caused warnings and criticism（批评）, with some sleep experts saying that the main problem of America's sleep habits was deprivation（剥夺）, not sleeping too much.

    “None of this says sleep kills people,” said Daniel Buysse, a psychiatrist at the university of Pittsburgh Medical Center.

    “You should sleep as much as you need to feel awake, alert and attentive the next day,” Buysse added. “I'm much more concerned about people short-changing themselves on sleep than people sleeping too long.”

    “Sleeplessness produces a variety of health consequences that were not measured in the study,” critics said.

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    Depression(抑郁) can be a destructive illness, plaguing millions of people worldwide with feelings of sadness, hopelessness, and fatigue. Despite numerous antidepressant drugs, as many as a third of patients don't respond to medication. This has forced doctors to be more creative in finding different treatments for the condition.

    In the past two decades, researchers have tied depression to a seemingly unrelated condition: inflammation(炎症), the body's natural response to stress. It could rise from injury or inflection, or even emotional issues like an unhappy marriage or problems at work. Some amount of inflammation is generally beneficial, as it increases production of cytokines(致癌因子)，proteins that help us heal and protect us from the effects of overwork.

    But excessive cytokine levels, and the inflammation they bring on, could come at a cost—a number of studies suggests that high levels of cytokines could contribute to depression.

    Cytokines can reach the brain several ways: directly through the blood-brain barrier or indirectly by binding to nerve fibers elsewhere, which send signals to the brain to produce the inflammation molecules. In the brain, cytokines can disturb the production and release of several important signaling chemicals, including serotonin, dopamine and glutamate, which help control emotion, appetite, sleep, learning and memory. It's though that a lack of serotonin activity in the brain causes depression; most antidepressants increase the activity. But cytokines also have been shown to activate stress hormone signaling in the brain, which man also serve to develop depression.

    With all the evidence implicating inflammation in depression, doctors have been anxious to test anti-inflammatory drugs as a potential treatment. Four small studies published between 2006 and 2017 by research groups in Europe and Iran found that adults diagnosed with depression who took aspirin or another anti-inflammatory drug called Celecoxib, along with an antidepressant, got more relief from feelings of sadness, hopelessness, guilt and fatigue compared with those taking an antidepressant alone. However, Andrew Miller, a professor of psychiatry at Emory University, thought something was wrong in these small, limited studies. None of them looked at whether the participants had to have high levels of cytokines before they'd see a benefit from anti-inflammatory drugs.  "Unfortunately, much of the field has fallen into the trap of viewing inflammation as the be-all, end-all," Miller says. He and his colleagues wanted to see whether the effect of these drugs was limited to the depression patients with high cytokine levels, or if it helped all people diagnosed with depression.