Physical activity should be part of your daily life, whether you play sports, take physical education (PE) classes in school, do chores, or get around by biking or walking. Regular physical activity can help you manage your weight, have stronger muscles and bones, and be more flexible.
Aerobic versus Lifestyle ActivitiesYou should be physically active for at least 60 minutes a day (PDF, 14.2 MB) . Most of the 60 minutes or more of activity a day should be either moderate- or vigorous-intensity aerobic physical activity, and you should include vigorous-intensity physical activity at least 3 days a week. Examples of aerobic physical activity, or activity that makes you breathe harder and speeds up your heart rate, include jogging, biking, and dancing.
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Being healthy sounds like it could be a lot of work, right? Well, it doesn't have to be. A free, online tool called the MyPlate Plan can help you create a daily food plan. All you have to do is type in whether you are male or female, your weight, height, and how much physical activity you get each day. The checklist will tell you how many daily calories you should take in and what amounts of fruit, vegetables, grains, protein, and dairy you should eat to stay within your calorie target.
Overall, 72% of teens ages 13 to 17 play video games on a computer, game console or portable device. Fully 84% of boys play video games, significantly higher than the 59% of girls who play games. Playing video games is not necessarily a solitary activity; teens frequently play video games with others. Teen gamers play games with others in person (83%) and online (75%), and they play games with friends they know in person (89%) and friends they know only online (54%). They also play online with others who are not friends (52%). With so much game-playing with other people, video gameplay, particularly over online networks, is an important activity through which boys form and maintain friendships with others:
Much more than for girls, boys use video games as a way to spend time and engage in day-to-day interactions with their peers and friends. These interactions occur in face-to-face settings, as well as in networked gaming environments:
When playing games with others online, many teen gamers (especially boys) connect with their fellow players via voice connections in order to engage in collaboration, conversation and trash-talking. Among boys who play games with others online, fully 71% use voice connections to engage with other players (this compares with just 28% of girls who play in networked environments).
Physical activity. Teens should get 60 minutes of physical activity per day. Encourage your teen to balance screen use (TV, video games, smartphones, tablets, and computers) with healthy behaviors, like spending time with others, being physically active, and getting enough sleep. Set a good example by limiting your own screen time and exercising daily.
Most adolescents aren't getting enough exercise as screen time increasingly replaces physical activity in homes across the world, putting their current and future health at risk, the World Health Organization warned in a new study Thursday.
The study, published in The Lancet Child & Adolescent Health journal, found that 85% of girls and 78% of boys are not meeting the current recommendation of at least one hour of physical activity per day. The authors of the study used data reported by 1.6 million students ages 11-17.
"Urgent policy action to increase physical activity is needed now, particularly to promote and retain girls' participation in physical activity," study author Dr. Regina Guthold of WHO said in a release.
This trend of physical inactivity is emerging because there has been "a real change in the way children use their time" over the past 10 to 20 years, Dr. Juana Willumsen, a WHO expert on physical activity, told CNBC.
"The trend of girls being less active than boys is concerning," study co-author Leanne Riley of WHO said in a release. "More opportunities to meet the needs and interests of girls are needed to attract and sustain their participation in physical activity through adolescence and into adulthood."
This trend is concerning because proper amounts of physical activity in kids can improve muscular fitness and bone health and have positive effects on weight, as well as social and cognitive benefits. WHO recommends that adolescents get an hour of moderate or rigorous physical activity each day in order to achieve these benefits.
The data used for this study came from school-based surveys that asked questions about time spent doing physically demanding activities such as recreation and sports, active chores, walking or cycling, active play and physical education.
Willumsen said urban planning can boost physical activity by placing schools within a walkable distance of the vast majority of the population or having shops close to peoples' homes so they don't feel the need to get into a car.
"Policies should increase all forms of physical activity, including through physical education that develops physical literacy, more sports, active play and recreation opportunities," as well as "providing safe environments so young people can walk and cycle independently," co-author Dr. Fiona Bull of WHO said in the release.
"I think in low[-income] and potentially the low middle-income countries, children who might not be enrolled in school could potentially be working instead, and there they might be physically active because of their work," she said.
In people assigned female at birth, the primary sex hormone is estrogen. For those assigned male at birth, testosterone is the primary sex hormone. In addition, both boys and girls produce hormones called androgens, although boys produce a higher level of androgens. Other teenage hormones that initiate change and growth are dihydrotestosterone (DH), estradiol, and growth hormone.
The natural next question, of course, is when do teenage hormones settle down? It takes a while! Some of the physical development associated with puberty, such as breast development, are complete by around age 18. But the process itself continues into young adulthood. By the time a young person reaches their early 20s, the release of sex hormones has slowed down and the mental and physical changes associated with puberty are complete.
In girls, FSH and LH instruct the ovaries to begin producing estrogen, one of the primary female sex hormones, and eggs. Girls will grow taller and put on weight and muscle mass. They will begin to have a menstrual cycle and will develop fuller breasts and wider hips. Body hair grows on the legs, under the arms and over the sex organs as a result of teenage girl hormones and emotions may begin to be more volatile and intense. Acne may become more prevalent, along with stronger body odor.
When the body produces too much or too little of the hormones required for puberty, a hormonal imbalance is the result. Hormonal imbalances can lead to a variety of health issues. The symptoms of hormonal imbalance in teenage girls can include heavy or irregular periods, hair loss, night sweats, and headaches. The symptoms of hormonal imbalance in teenage males may include loss of muscle mass, decrease in body hair and beard growth, hot flashes, and difficulty concentrating.
If your teen is nervous about dating, encourage them to start by simply making friends with boys and girls they like. Furthermore, group dates are a great way for shy teens to get to know others without the pressures of one-on-one dating.
Teens who are just entering the world of dating and sex need to know that no one should ever force them to do something that makes them feel uncomfortable. That can range from peer pressure to dating violence. According to the CDC, teen dating violence is defined as physical, sexual, psychological, or emotional violence within a dating relationship, including stalking.
While teen dating violence is not the norm, it does represent a significant risk for teens. In a study of national youth risk behaviors, 10 percent of high school students reported physical victimization and 10 percent reported sexual victimization from a dating partner in the 12 months before they were surveyed.
Higher levels of estrogen, the primary hormone involved in puberty in teen girls, are linked to a higher risk of depression. However, teens are also at risk of depression due to the many intense experiences, emotions, and change they go through during adolescence.
The teen, whom cops did not publicly identify because of his age, had jumped the turnstile at the 125th Street-Lexington Avenue station in East Harlem just before 6 p.m. Saturday, cops said. A 16-year-old girl who was with him ducked under the turnstile, authorities said.
Teens are under a lot of pressure. The anxiety they experience often centers on perfectionism around grades, college, and extracurriculars. They also have anxiety from the heightened awareness of where they stand socially compared to their peers. Adults tend to care less about how they are perceived, but teens are still building confidence and figuring out who they are. The physical changes in the teenage years are another source of discomfort, especially for kids who develop early or late.
Depression is a physical illness, so sometimes the symptoms will show up physically. Watch out for unexplained headaches and migraine, stomach aches, back pain, joint aches and pains. Mood and pain share the same pathways in the brain and they are regulated by the same brain chemicals (serotonin and norepinephrine). When the balance of these neurochemicals is out, pain and mood might both be affected. 2ff7e9595c
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