We've reached a strange—some would say unusual—point. While fighting world hunger continues to be the matter of vital importance according to a recent report from the World Health Organization (WHO), more people now die from being overweight, or say, from being extremely fat, than from being underweight. It's the good life that's more likely to kill us these days.

Worse, nearly 18 million children under the age of five around the world are estimated to be overweight. What's going on?

    We really don't have many excuses for our weight problems. The dangers of the problem have been drilled into us by public ­health campaigns since 2001 and the message is getting through—up to a point.

    In the 1970s, Finland, for example, had the highest rate of heart disease in the world and being overweight was its main cause. Not any more. A public ­health campaign has greatly reduced the number of heart disease deaths by 80 per cent over the past three decades.

    Maybe that explains why the percentage of people in Finland taking diet pills doubled between 2001 and 2005, and doctors even offer surgery of removing fat inside and change the shape of the body. That has become a sort of fashion. No wonder it ranks as the world's most body ­conscious country.

We know what we should be doing to lose weight—but actually doing it is another matter. By far the most popular excuse is not taking enough exercise. More than half of us admit we lack willpower.

    Others blame good food. They say: it's just too inviting and it makes them overeat. Still others lay the blame on the Americans, complaining that pounds have piled on thanks to eating too much American­ style fast food.

    Some also blame their parents—their genes. But unfortunately, the parents are wronged because they're normal in shape, or rather slim.

    It's a similar story around the world, although people are relatively unlikely to have tried to lose weight. Parents are eager to see their kids shape up. Do as I say—not as I do.

    The researchers say a person loses two months for every kilogram overweight they are— and seven years for smoking a packet of cigarettes a day.

    Unusually, the Edinburgh university team found their answers by analysing differences in people's genetic code or DNA. Finally they think it will show new ways of helping us to live longer.

    The group used the genetic code of more than 600, 000 people who are taking part in a natural experiment. If someone smokes, drinks, drops out of school and is overweight, it can be difficult to identify the impact of one specific unhealthy behavior.

    Instead, the researchers turned to the natural experiment. Some people carry mutations(变异) in their DNA that increase(食欲) or make them more likely to put on weight, so researchers were able to compare those programmed to eat more with those who were not. The research team also found specific mutations in human DNA that alter lifespan (寿命).

    Mutations in a gene (a set of instructions in DNA) that is involved in running the immune system could add seven months of life on average.

    People with a mutation that increased levels of bad cholesterol knocked eight months off lifespan.

    A rare mutation in a gene—APOE—linked to dementia reduced lifespan by 11 months.

    And one that made smoking more appealing cut lives by five months.

    Dr Joshi says that while genes do influence lifespan, “you've got even more influence” through the choices you make. Dr Joshi said, “We hope to discover genes affecting lifespan to give us new information about ageing and construct treatment tor ageing.”

    There are also some disease mutations that clearly affect lifespan and to destructive effect, such as the Huntington's gene. People with Huntington's often die in their 20s.

    However, in order to follow people until the end of their lives, many of the people studied were born before 1940.

    Dutch beachcomber (海滩拾荒者) Wim Kruiswijk has accumulated a collection of 1,200 messages-in-bottles over the course of nearly 4 decades and has responded to almost all of them,

    68-year-old Kruiswijk says that his unusual hobby began in 1983 when he found three drift bottles (漂流瓶) on his local beach, each containing letters and return addresses. He wrote to all three addresses and was surprised to receive responses from each one. It was this experience that aroused his interest in hunting and collecting messages in bottles, and he hasn't stopped looking for them since.

"I find my messages in bottles on the beach of Zandvoort, where I live, and on the Dutch Islands," Kruiswijk recently told Great Big Story. "Messages in bottles is slow mail. It takes you days, or weeks, or months to find a bottle. "

In the early years, Kruiswijk would find as many as 50 bottles a year, but since 2000 that has slowed to around 20-30 finds, mainly due to beach cleaning efforts. He believes that the rise of the Internet has also played a role in the diminishing number of messages in bottles, telling Dutch newssite PZC, "I used to get a response at half the bottle messages that I answered. Now that's less; many people want 'instant satisfaction'."

    Throwing a message in a bottle out into the sea is a longstanding human tradition dating back to the time of the Greek philosopher Theophrastus, about 310 BC，who used the bottles to study water currents. Scientists still apply the method to this day, as a means to help researchers develop ocean circulation maps, and to crowdsource scientific studies of ocean currents.

    In the past bottles have also been used to send distress messages from sailors in trouble. They also have been used for memorial tributes, or to send loved ones' ashes on a final journey. One of the more common uses though is just to send invitations out to prospective pen pals, a quaint notion in these modern times, but, as Kruiswijk so clearly shows, an effective one.

Craziest Food Festivals sounds like a joke topic, but once you start looking into it, you'll realize they're everywhere—the crazier, the better.

    ⒈Bibimbap Festival

    In the South Korean town of Jeonjuloves, their “mixed rice” dish is a hearty serve of rice topped with raw beef, a rainbow of vegetables, a raw egg and gochujang sauce (韩国的辣椒酱) so much. They take four days out of October to celebrate it.

    Like any festival there's music, entertainment and magic, but making it that little bit different is the bibimbap that's whipped (搅拌) up in a big bowl by dozens of chefs and served to over 400 people.

    ⒉Waikiki Spam Jam (怀基基午餐肉节)

    Who knew this canned meat had so much love? Well, it turns out that a can of Spam is the go-to item in Hawaii, along with a grass skirt and garland (花环). The people of Hawaii love Spam so much that they even spend a day in May serving out the best Spam, a type of cheap canned meat made mainly from pork.

    ⒊Bessieres Easter Egg Festival

    At Easter time, for those in the French town of Bessieres it's all about an egg far less sweet.

    Here they celebrate the holiday by getting dozens of chefs to make one large omelette (煎蛋卷) - 15,000 eggs strong - for the townsfolk (市民).

    ⒋Potato Days Festival

    This festival actually takes place in Barnesville, Minnesota(明尼苏达州), the US. Over the last Friday and Saturday in August the town celebrates its potato-growing skills by hosting potato picking and peeling contests, as well as a Miss Tater Tot pageant (盛典) for five-and six-year-old girls.

    Studying abroad will shape you in various ways. You will learn things you never would have if you had stayed home. When you are young and unattached, you should travel. Besides, you just might save a large sum of money. College is expensive in the United States. It's cheap or free in other countries even for foreigners, so why not get out of here and come back smarter?

    More and more American students are currently studying at German colleges. That number has increased 20% over the last three years. Living costs are about $7,000 a year, which is even lower than in other European countries. Germany encourages international students. They create a multicultural landscape that benefits German students as well. According to a new report, Germany is home to six of the world's 100 best universities. These schools offer around 900 degrees completely in English and many German students speak the language.

    You could be part of Finland's excellent education system. The Finns charge no tuition and offer a number of courses purely in English. They would be happy for you to add flavor to their school scene. Cost of living there is high. Be prepared for frosty winters that far north, but you will get that sweet midnight sun in the summer.

    Many other European nations offer cheap or free college for foreign students, but if South America is more your thing, try Brazil. Most of the education will take place in Portuguese, so if that is in your plan you can study near beautiful beaches and jungles. The University of Sao Paulo and the State University of Campinas are both highly ranked internationally. Your money will go a long way there, too.

    Many of the lessons you will learn will be outside the classroom. Living on the economy in a foreign country will keep you on your toes. You will learn new customs, how to bargain, stay safe, budget and become more flexible with people. There is no better way to learn a language than by immersing yourself in it. At first, it will be the toughest thing you have ever done. Eventually, it will become second nature.

    I'd like to share a little story with you about something that happened when I was four. I remember it clearly. Our loving family dog was nearing the end of his life. My father picked him up and put him in a little bed we had made for him. Our dog, my companion, whom we had cared for, bit my father when he attempted to help him. How could he? Why? I couldn't understand it. I didn't like him anymore.

    I hadn't thought about that story for a long time but something that happened last week brought it back to me. I went to speak with a friend. When I knocked on the door, I met in an instant an angry look and a few harsh(尖刻的)words. When the door was slammed(砰地关上)in my face, I stood there shocked, and in a rush, I was reminded of my dog bit my father 20 years ago or so. What brought that story back was that same feeling of betrayal.

    Both stories taught me something the next day. You see, when I got up in the morning and was told my dog had died, it became clear to me that he must have been in great pain. For him to have bitten a family member, he could not have been himself. Much the same for the other story when I learned that my friend's wife had just left him.

    We are all beings of our environments, our opinions and feelings. And all of those things can cause you to say and do things that can't be understood by those who are not in the same situation with you.

    If you meet someone either behaving out of character or acting in a way that doesn't seem to fit the situation, put out your hand and be patient when you think it is least possible for him to do so. You may turn around a story that has a sad ending simply by your actions.