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Why Your Brain Needs Exercise. In the 1990s researchers announced a series of discoveries that would upend a bedrock tenet of neuroscience.

Why Your Brain Needs Exercise

For decades the mature brain was understood to be incapable of growing new neurons. Once an individual reached adulthood, the thinking went, the brain began losing neurons rather than gaining them. But evidence was building that the adult brain could, in fact, generate new neurons. The runner who makes elaborate artwork with his feet and a map.

Crafting a running route is a delicate process, especially in a city like San Francisco: you’ve got to find somewhere safe and scenic, avoid the crowds and decide how many hills you want to conquer.

The runner who makes elaborate artwork with his feet and a map

One runner in the city, however, is making things even more complicated – with beautiful results. For the past four years, Lenny Maughan has been turning his routes into art. His paths through the city are carefully chosen so that, viewed on a map, they form illustrations of everything from a simple heart shape to the starship Enterprise. Physical Education is just as important as any other school subject. Physical Education (PE) is often viewed as a marginal subject within the curriculum.

Physical Education is just as important as any other school subject

And many secondary schools actively reduce PE time to make way for what are deemed more “serious” or “important” subjects. New guidelines set daily activity minimums for young kids, including ’tummy t... TORONTO – New guidelines set the minimum amount of activity that toddlers, preschoolers and even babies should get each day.

New guidelines set daily activity minimums for young kids, including ’tummy t...

The new report was developed by experts including the Canadian Society for Exercise Physiology; obesity specialists at Ottawa’s Children’s Hospital of Eastern Ontario; and the non-profit group ParticipAction. The “24-Hour Movement Guidelines for the Early Years” suggests kids aged one to four should get at least three hours of physical activity spread throughout the day. That includes at least one hour of “energetic play” for three- and four-year-olds – something that previously wasn’t recommended until age five. Suggestions include running, dancing, or playing outside. Babies, too, should work on daily goals. The guidelines are based on research that suggests kids aged four and younger are much too sedentary and get too much screen time. Eurobarometer 472. Why do left-handers excel at certain elite sports but not others? From cricketer Wasim Akram to baseball pitcher Clayton Kershaw and table tennis star Ding Ning, the world of sport has no shortage of left-handed players.

Why do left-handers excel at certain elite sports but not others?

But now researchers say they’ve worked out why lefties are overrepresented in some elite sports but not others. Runners and musicians have better-connected brains than the rest of us. Why Kids Shouldn t Specialize in One Sport. "It [specialization] is one of the worst developments imaginable at the youth sports level.

Why Kids Shouldn t Specialize in One Sport

Physically, emotionally, developmentally, it's a huge, huge mistake. And it absolutely is happening. It is sweeping the country. " -- Bruce Svare, Ph.D., director of the National Institute for Sports Reform. Physical Activity in Schools is Essential to Reversing Childhood Obesity  For those working to reverse the trend in childhood obesity, there is significant cause for excitement.

Physical Activity in Schools is Essential to Reversing Childhood Obesity 

After three decades of steady increases, obesity rates have, for the first time, remained level in nearly every state in the nation. The news, reported last month by the Robert Wood Johnson Foundation, is indeed cause for celebration. However, the current obesity statistics, particularly those among children, remain dramatic and concerning. This could mean that the current generation of children may live shorter lives than their parents -- a first in this nation's history. A Surprising Nutrient That Helps Kids Sleep. Sleeplessness among children is common, occurring in as many as 40% of kids.

A Surprising Nutrient That Helps Kids Sleep

Sleep deprivation can crescendo into a variety of other problems, including fatigue, declining school performance, depression, behavioral issues, weight gain and even poor general health. An Oxford University study recently published in the Journal of Sleep Research reveals findings that provide valuable insights about causes of sleeplessness in children. More importantly, the study sheds light on a nutrition-oriented approach to improving sleep. The researchers evaluated the sleep patterns of 395 children aged 7 to 9. In addition, they performed a blood analysis on these children to measure their levels of DHA, an omega-3 fatty acid.

Understanding Stress: Symptoms, Signs, Causes, and Effects. What is stress?

Understanding Stress: Symptoms, Signs, Causes, and Effects

The Body’s Stress Response When you perceive a threat, your nervous system responds by releasing a flood of stress hormones, including adrenaline and cortisol. These hormones rouse the body for emergency action. Your heart pounds faster, muscles tighten, blood pressure rises, breath quickens, and your senses become sharper. These physical changes increase your strength and stamina, speed your reaction time, and enhance your focus—preparing you to either fight or flee from the danger at hand. Study: 19-year-olds in U.S. as sedentary as 60-year-olds. By Barbara Benham /Published Jun 15 A new study from the Johns Hopkins University Bloomberg School of Public Health suggests that physical activity among kids and teenagers is lower than previously thought, and that young adults over the age of 20 show the only increases in activity over the lifespan—after the age of 35, the study found, activity levels declined through midlife and older adulthood.

Study: 19-year-olds in U.S. as sedentary as 60-year-olds

Academic Achievement and Physical Activity: A Meta-analysis.