Health experts are calling for action to increase cancer care and control in the developing world. A medical research paper says cancer was once thought of as a problem mostly in the developed world. But now cancer is a leading cause of death and disability in poor countries as well. Experts from Harvard University and other organizations urge the international community to fight cancer actively, saying it should be fought in the way HIV/AIDS has been fought in Africa.

    Cancer kills more than 7.5 million people a year worldwide. Almost two thirds are in low-income and middle-income countries.

They discover cancer kills more people in developing countries than AIDS, tuberculosis and malaria combined. But the world spends only 5% of its cancer resources in those countries.

    Felicia Knaul from Harvard Medical School was one of the writers of the paper. She was in Mexico when she was found to have breast cancer. She received treatment there and her experience showed her the sharp difference between the rich and the poor in treating breast cancer.

    Felicia Knaul says, “And we are seeing how this is attacking young women. It's the number two cause of death in Mexico of women thirty to fifty-four. All over the developing world, it's the number one cancer-related death among young women. I think we have to again say that there is much more we could do about it than we are doing about it. ”

    Professor Knaul met community health workers during her work in developing countries. They were an important part of efforts to reduce deaths from the cancer. They were able to persuade people to get tested to prevent the illness. The experts say cancer care does not have to be costly. For example, patients can be treated with lower-cost drugs.

    There is a popular saying in the English language: “Sticks and stones may break my bones, but words will never hurt me.” Well, that is not true. Unkind words, name-calling or even the so-called “the silent treatment” can hurt children as much as being physically hit, sometimes even more so.

    A recent study of middle school children showed that verbal (言语的) abuse by other children can harm development in the brain. The study was a project of researchers at Harvard Medical School in Massachusetts. Researcher Martin Teicher and his team studied young adults, aged 18 to 25. These young men and women had not ever been treated in a cruel or violent way by their parents.  The researchers asked the young people to rate their childhood exposure to verbal abuse from both parents and other children. Then the researchers performed imaging tests on the brains of the subjects.

    The images showed that the people who reported suffering verbal abuse from peers in middle school had underdeveloped connections between the left and right side of the brain.  The two sides of the brain are connected by a large bundle of connecting fibers called the corpus callosum. This was the area that was underdeveloped.

    The middle school years are a time when these brain connections are developing. So, unkind, hurtful comments from children or adults during this period have the greatest effect. The researchers tested the mental and emotional condition of all the young people in the study.  The tests showed that this same group of people had higher levels of fear, depression, anger and drug abuse than others in the study.

    The researchers published their findings online on the AmericanJournalofPsychiatry's website.

    Parents cannot control what other people say to their children, but they can prepare their children.

    Most people want to know how things are made. They honestly admit, however, that they hardly know a thing when it comes to understanding how a piece of music is made. Where a composer (作曲家） begins, how he manages to keep going- in fact, how and when he learns his trade - all are covered in complete darkness. The composer, in short, is a man of mystery (神秘）.

    One of the first things the common man wants to know about is the part inspiration (灵感） plays in a composer's work. He finds it difficult to believe that composers are not much interested in that question. Writing music is as natural for the composer as eating or sleeping for all. Music is something that the composer happens to have been born for.

    The composer, therefore, does not say to himself: "Do I feel inspired?" He says to himself. "Do I feel like working today?" And if he feels like working, he does. It is more or less like saying to himself: "Do I feel sleepy?" if you feel sleepy, you go to sleep. If you don't feel sleepy you stay up. If the composer doesn't feel like working, he doesn't work. It's as simple as that.

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    Metropolis Book Club

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    All you need to do is fill out the order form at the bottom of the page, select your first order from our book list and then post the completed form back to us.

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    You've heard the predictions from some of the brightest minds about AI's influence. Tesla and SpaceX chief Elon Musk worries that AI is far more dangerous than nuclear weapons. The late scientist Stephen Hawking warned AI could serve as the "worst event in the history of our civilization" unless humanity is prepared for its possible risks.

    But many experts, even those who are aware of such risks, have a more positive attitude, especially in health-care and possibly in education. That is one of the results from a new AI study released Monday by the Pew Research Center.

    Pew canvassed the opinions of 979 experts over the summer, a group that included famous technologists, developers, innovators and business and policy leaders. The interviewed experts, some of whom chose to remain anonymous, were asked to join in the discussion of a serious and important question: "By 2030, do you think it is most likely that advancing AI and related technology systems will improve human capacities and control them?"

    Nearly two-thirds experts predicted most of us will be mostly better off. But a third thought otherwise, and a majority of the experts expressed at least some concerns over the long-term impact of AI on the "essential elements(要素) of being human." Among those concerns were data abuse, loss of jobs and loss of control brought by autonomous weapons and cybercrime(网络犯罪). Above all, by taking data in and spitting answers out, those "black box" tools make decisions in digital systems. It is an erosion(侵蚀) in our ability to think for ourselves.