Why Would I Exercise

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Why Am I Taller?

What happens in space that causes the body to change? Learn about life in space from astronauts Is the human body built for Mars? NASA’s studies on the International Space Station show we need to fix a few things before sending people to the Red Planet. Astronauts go into space with good vision and come back needing eyeglasses. Cognition and DNA expression could be affected for years. And then there’s the discomfort of living in a tight space with crewmates, depression, and separation from the people you love. Space doctors are on the case. You’ll meet the first twin to spend a year in space, the woman who racked up three physically challenging spacewalks in between 320 days of confinement, and the cosmonaut who was temporarily stranded on space station Mir while the Soviet Union broke up underneath him. What are we learning about the human body? As astronauts target moon missions and eventual landings on Mars, one of the major questions is how the human body will behave in “partial gravity.” How does the human body change on another world, as opposed to floating freely in microgravity? What can studies on Earth and in space tell us about planetary exploration? These questions will be important to the future of space exploration and to related studies of seniors and people with reduced mobility on Earth.
Why Do They Act That Way? - Revised and Updated

This anniversary edition—revised and updated—goes beyond raging hormones and peer pressure to explain why adolescents act the way they do and what parents and teachers can do about it. Why Do They Act That Way? was the first book to explain the scientific, brain-based reasons behind teens’ impulsive behavior, lack of focus, self-consciousness, territoriality, fatigue, and their quickness to anger and take risks—to name just a few common teen problems. Now, award-winning psychologist Dr. David Walsh has updated this classic with the latest research into the adolescent brain and the new challenges that they face with social media and the 24/7 online world. With practical advice and reassuring guidance, Walsh provides realistic solutions for dealing with every day and major challenges. As a parent, psychologist, coach, and trusted expert, Dr. Walsh offers the best advice to help adolescents thrive and parents survive.
Doing Exercise Psychology

Doing Exercise Psychology addresses psychological components of physical activity by providing readers with real client–practitioner relationships and interventions and subsequent analysis of their effectiveness. It is a vital resource for any professional whose clients may benefit from exercise.