If you've not heard that the decade-old princess-culture is causing problems—especially if you're a parent—you must be actively working to avoid it.

    The latest study adding fuel to the fire comes out of Brigham Young University and finds that the Disney princess obsession can be harmful to girls.

"I think parents think that the Disney princess culture is safe. That's the word I hear time and time again—it's safe." Lead study author Sarah M. Coyne of the Mormon institution in Utah noted in a press release. "But if we're fully jumping in here and really embracing (accepting) it, parents should really consider the long-term impact of the princess culture."

    So, what's the problem this time around? Same as always, confirmed the study, published in the journal Child Development, which involved the assessment of 198 preschoolers: Lots of engagement with princess culture (whether through moves or toys) can lead to gender-stereotypical(性别定性) behavior as well as self-critical body image.

The strict gender stereotypes can hold girls back. "They feel like they can't do some things," Coyne said, "They're not as confident that they can do well in math and science. They don't like getting dirty, so they're less likely to try and experiment with things."

On the other hand, "Disney princesses represent some of the first examples of exposure to the thin ideal," Coyne said. "As women, we get it our whole lives, and it really does start at the Disney princess level, at age 3 and 4."

So, what should a parent do? Try his or her best to avoid all princesses for the entire of a girl's childhood? I'd say, have moderation in all things, have your kids involved in all sorts of activities, and just have princesses be one of many, many things that they like to do and engage with." Coyne suggested. "This study has changed the way I talk to my daughter, the things I focus on, and it's been really good for me as a parent to learn from this study," Coyne said. "I usually can't say that my research findings have such a personal impact on my life."

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    “Body clocks” are biological methods of controlling body activities. Every living thing has one. In humans, a body clock controls normal periods of sleeping and waking. It controls the times when you are most likely to feel pain. Eating, sleeping and exercising at about the same time each day will help keep body activities normal. But changes in your life—a new job, for example—destroy the balance and thus cause health problems. You could have difficult sleeping, for example. Scientists suggest that early afternoon is the best time of day for physical exercise. They say we are stronger and faster then. Later, about four o'clock, most people feel tired because of the drop of sugar level in the blood. Early afternoon also is a good time to do tasks about memory（记忆） and mathematics. If you must study, however, do it just before going to sleep at night. Scientists say you are more likely to remember information when there is a short delay（耽搁）between study and bed. Body clocks control all the activities from day to day. They also produce changes about every ninety minutes during the day. At the end of such a time period, our ability to think hard begins to become weak. That is the time we are most likely to day-dream. Within fifteen minutes, we are ready to go back to what we were doing.

    Held in Valencia, La Tomatina is a tomato-throwing activity that causes the number of people to increase to more than 40,000 in a town of just 9,000 persons.

    The festival takes place on the town's main square. At 11 o'clock, the third Wednesday in August every year, a large pole(杆) with a ham tied to the end of it is raised into the air, and there is a mad climb as people struggle against each other to pull it down. Once this is achieved, a rocket goes skywards and more than 100 tons of ripe tomatoes are tipped from trucks to the waiting crowd. For precisely one hour, until a second rocket is fired, everyone joins in a cheerful tomato battle.

    La Tomatina began in 1945, but it is not known why. Locals have many theories, including the popular tale of angry townsfolk attacking city councilmen(议员) during a town celebration. However, it could also have started because of anything from an anti-France protest or simply a fun food fight between friends. Whichever way it started, the townsfolk of Valencia enjoyed it so much that it was repeated year after year, finally becoming an officially recognized celebration in 1952. Despite being cancelled briefly during the 1970s for having no religious significance, it has returned every year since then.

    Most people come for the day, arriving on the morning train from Valencia and heading back in the afternoon. But if you want the full La Tomatina experience, stay for the week-long celebration which involves music, dancing, parades and fireworks. The night before the fight, a cooking competition is held where women traditionally dress in white, and men without shirts altogether.

    Protection for the fight is recommended—wear old clothes and shoes and a pair of glasses to protect your eyes. What you don't bring to La Tomatina is also important. The crazy tomato-throwers attack each other with all their strength: cameras are seen as positive invitations to throw at the owner.

    A large scale study has found a link between eating a diet based on organic food and having a reduced risk of cancer. If the new results are confirmed, promoting organic food consumption could be a promising preventative strategy against the disease, a team of researchers from several French institutions said.

    Among the environmental risks for cancer, there are growing concerns about exposure to different types of pesticides（杀虫剂） from farming. The impact of such chemicals on the human body is still not well understood but there are some indications that harmful effects can occur even at low concentrations.

    Meanwhile, pushed by environmental and health concerns, the organic food market continues to grow rapidly. Organic food is produced without the use of synthetic（合成的） fertilizers, pesticides, genetically modified organisms, and the use of veterinary（兽医的） medications.

    "Organic foods are less likely to contain pesticide remains than conventional foods, and studies have shown that an organic diet reduces exposure to certain pesticide," Julia Baudry, lead author of the study from the Centre of Research in Epidemiology and Statistics in France, told Newsweek.

    "In the general population, the primary route of exposure is diet, especially intake of conventionally grown fruits and vegetables. However, few studies have examined the association of organic food consumption with cancer risk."

    For the study, published in the journal JAMA Internal Medicine, a team of researchers examined data on the organic food consumption frequency and dietary intake of 68,946 French adults collected by an ongoing survey which began in 2009. They then followed up on these people at various points in the future.

    Participants reported how often （never, occasionally or most of the time） they consumed 16 types of organic foods including fruits, vegetables, soy﹣based products, dairy products, meat and fish, eggs, grains and legumes, bread and cereals, flour, vegetable oils and condiments, ready﹣to﹣eat meals, coffee, tea, and herbal tea, wine, biscuits, chocolate, sugar and so on.

    From Antigua to Zanzibar, these spots promise an incredible trip for 2019.

    Antigua, Guatemala

    "Antigua is worth every penny, but that doesn't mean you'll have to empty your wallet," says Hudson. There are plenty of budget-conscious activities. It won't cost you a coin to visit Santo Domingo del Cerro, an outdoor sculpture park. Wanting something sweet? Head to ChocoMuseo. Admission is free and so are the samples!

    Odessa, Ukraine

    Odessa is having a bit of a tourism boom nationwide-not that we're surprised, given its sandy beaches and pastel-colored buildings-but it's still fairly under the order for international audiences. You can also count on this port city for affordable fun. Tickets to the Odessa Opera House start at a mere $ 2!

    Bogotá, Colombia

    "Travelers on budget will find Colombia's vast capital, far more of a bargain and every bit as fascinating," says Hudson. "It's free to visit Museo de Oro and on Sundays many of the big roads are closed to accommodate food carts, street entertainers, and pedestrians."

    Zanzibar

    Zanzibar attracts vacationers with its white sand beaches, greenish-blue tides, colorful coral reefs, and oceanfront seaside. Of course, wandering in historic Stone Town is pretty appealing too. Either way, you needn't spend a penny in this amazing place. It's also worth noting that Jozani Forest is the only place in the world you can see endangered red colobus monkeys.

    For many families, a night at the ballpark is a treat. But it can be a terrible experience for those with autistic(自闭症的)children, who are sensitive to light and noise and usually become upset and scared.

    For these families, fear of how their child will react to new situations­and how others will react to them-keeps them from gaining everyday experiences others get to have.

    Dr. Wendy Ross was heartbroken to see that. The pediatrician(儿科医生)in Philadelphia also knew that separation from the community didn't serve her patients well in the long run.

    "If kids are not in the community, building their skills from very young ages, then there's no reason to expect them to be independent one day," Ross said. "It's a social disability. It needs to be addressed in a social setting."

    So in 2007, Ross set out to do just that. Today, her nonprofit, Autism Inclusion Resources, helps families affected by autism deal with challenging social situations, such as sporting events, airport travel and museum visits.

    Many Major League Baseball teams hold annual 44autism awareness nights", when they take temporary measures such as lowering the volume (音量)on the public address system. But Ross wanted to do more. "You can't turn down the volume of the world," Ross said. "It's nice to do it for one night, but our goal is for families to be able to go to a game on any night."

    To that end, Ross partnered with the Philadelphia Phillies to develop a creative program.

    She armed all the Phillies players and game-day staff with knowledge about autism and how to interact with individuals who have the disorder. Each family is also provided a clinician at the game who gives additional support if problems arise. She also helps prepare the families for the event.

    Ross has also found her airport travel program to be successful for families. Using the same principles, she trains airline and security staff at major airports and then guides families through the travel experience, including checking in, going through security and boarding a plane.

    Ross hopes that the tools she gives families can help them explore other settings on their own. "We really see it as a stepping stone to a brighter future," she said.