【推荐2】Exercise has an undeniable link to the development of better bodies. A recent study conducted by University of Delaware researchers found that speech-language therapy (疗法) improves children’s vocabulary growth. The study, which was published in the journal Journal of Speech-Language and Hearing Research, highlights one of the first studies on the impact of exercise on vocabulary learning in children.

Children ages 6 to 12 were taught new words before doing one of three things: swimming, CrossFit exercises, or coloring a sheet. In follow-up tests of vocabulary words, the children who swam were 13% more accurate.

It makes sense to the lead researcher, Maddy Pruitt, a former college swimmer who now attends CrossFit classes on a regular basis. "Motor movement aids in the encoding (编码) of new words, "she explained, adding that exercise has been shown to increase levels of brain derived neurotrophic factor (脑源性神经营养素), a protein Pruitt refers to as the “Miracle-Gro for the brain”.

So, why did swimming make a difference but CrossFit didn’t? Pruitt attributes it to the amount of energy required by the brain during each exercise. Swimming is an activity that children can do without much thought or instruction. While the CrossFit exercises were new to them, it was more automatic. The children had to learn the moves, which took mental energy.

“We were very excited about this study because it is applicable to clinicians, caregivers, and educators who can put it into practice,” Pruitt said. “It’s not anything out of the ordinary. However, it has the potential to significantly improve the outcomes.”

【推荐1】Michael Laffoon has a vivid memory of the day he decided to piece his life back together. “I literally woke up in my van(小货车)and I thought . I can’t do this anymore because I’m going to die,’” he says. “It was just a strong feeling that I had come to the end of a chapter. ”

For eight years, the Santa Cruz, California resident drifted in and out of homelessness because of a serious drug addiction. It was a frustrating, impossible lifestyle. In 2009, Laffoon learned about Homeless Garden Project at a kitchen where he was volunteering. The not-for-profit aims to lift people living on the streets of Santa Cruz out of homelessness through farming. The end goal is that they will leave the farm with stable housing and a full-time job.

After a year and a half of being in the program, Laffoon was able to secure employment and stable housing. He later obtained a degree in horticulture(园艺学). “It was the first step back into normal society-the first open door,” he says.

Trainees are employed to grow fruit, vegetables, flowers and herbs on the farm. They get paid a wage, are given basic job skills training and are matched with a social worker to work through specific goals. The project has helped close to 1,000 people. Over the past five years, 96 percent of graduates have obtained jobs or stable income and 86 percent have found housing.

The project’s staffers say that the project has always had a strong element of community, which is central to the healing process of its trainees, as they often feel like they’ve lost their sense of belonging. Laffoon says that while he was homeless, he spent a lot of his time “trying to be invisible” and felt secluded from the rest of society. The project gave him meaningful work and a sense of belonging, which helped him get back on his feet.

Ella Fleming, the project’s farm manager, has seen how growing food can have a life-changing and inspirational impact on trainees. “We provide a place where it’s safe, it’s nurturing, it’s healthy and there’s an exchange that happens,” she says. “When you’re caring for a plant to try to get it to grow, you’re also giving yourself some self-care to know that you can grow,”she says.

【推荐3】Researchers have been trying to uncover the cause of a steady decline of drug and alcohol use in teens. Some suspect it’s due to anti-drug campaigns or the decline of cigarettes as a gateway drug. But another theory has begun to surface. Is a new drug replacing the old ones? Are smart phones taking their place?

I noticed that using my smart phone took away so many life experiences. I hadn’t minded before when my own phone could distract me, but now I felt annoyed when my friends or family used their phones when we were together. Sure it was uncomfortable at first, not having a clutch (紧握) to fall back on when I didn’t feel like talking.But we shouldn’t use our devices as the universal conversation avoider, or as our distraction from the discomfort of human interaction. How can we learn to interact when our phones are on hand at all times to prevent ourselves from doing so?

Still, smart phones can sometimes be wonderful tools. They allow us to take beautiful photos and help us connect with old friends and maintain long-distance relationships. They allow us to have an endless amount of information at our fingertips, and give us directions to whatever destinations. But we must consider how every tool smart phones provide us with can also influence our lives. Not only does smart phone and screen use have an effect on relationships, it can also shape an individual and the brain. Studies have shown that excessive Internet usage can cause increased depression, loneliness, and anxiety in adolescents.

So my advice to teens who feel the same way as I do? My decision to go without a phone was definitely extreme, considering our generation. So try ditching your phone for a week. Observe how it affects your relationships, your mood, and your presence. You just might end up feeling less stressed, happier, and more connected.