### activity:

Physical activity
* All physical activity burns calories, even activities like sitting or sleeping
  - particularly intense exercise
* Any physical activity burns up glucose for energy
  - keeps a child mentally active, fit and alert
* Most physical activities increase metabolism
  - relate to lifestyle
  - activity is directed body movement
* Physical activities are a means to enhance somatic health as well as to deal with stress.
* Physical activities are important because they reduce stress and increase self-esteem
  - for the health of both mind and body
  - decline during periods
  - deteriorate quickly, especially at higher doses
  - enhance the lives of all children
* Some physical activities help fast weight
  - insulin
* aids in improving concentration skills and mental clarity.
* appears to decrease the initiation of cigarette smoking in adolescent girls
  - relieve symptoms of depression and anxiety and improve mood
* benefits people of all physical abilities.
* builds and maintains strong bones
  - healthy bones, muscles and joints, and reduces the risk of colon cancer
* burns calories and helps an individual maintain a desirable body weight
  - maintain muscle mass while decreasing fat
  - excess calories and improves the body's overall fitness
  - more calories, preserves and builds lean muscle mass
* can also alleviate stress
  - be helpful in maintaining a desirable weight
  - have positive effects on other areas of people s lives
* can also reduce daily tension and stress
  - the severity of injuries from falls
  - beneficially affect osteoporosis
* can help buffer the effects of stress, anxiety and depression
  - improve balance
  - prevent heart and circulation problems
  - protect against some cancers
  - with stress management, anxiety and depression
  - improve leg and ankle strength, which can reduce the risk of falling
  - increase the number of calories used by the body when it is at rest
  - limit the amount of blood that flows to the skin to release heat
  - play a major role in maintaining energy balance
  - promote healthier social interactions among children
  - protect against coronary artery disease
* can reduce both cholesterol and triglycerides
  - relieve tension and stress-related fatigue
  - slow the loss of bone matter that occurs with aging
  - strengthen bones, relieve joint stiffness and reduce pain
* carries risks as well as benefits.
* catalyst to problem solving.
* causes a temporary increase in heart rate
  - chemical changes that influence psychological health
  - the release of specific hormones that assist our bodies in managing stress
* concept that is well known, yet it is difficult to explain.
* conducted during leisure time seems to lower insulin resistance in adults.
* contributes to a decrease in body fat, including a modest effect on abdominal fat
  - healthy aging
* critical part of the energy balance equation.
* declines dramatically during youth, especially in girls
  - with age during adolescence
* decreases estrogen levels.
* enhances mental health.
* flushes pigment through the eye to the angles, where it becomes trapped.
* gets the blood moving throughout the body.
* good way to decrease depression and stress.
* great bonding element in families.
* has a proven positive effect on high blood pressure, diabetes and heart health
  - many physiologic benefits
  - similar benefits for many patients with established coronary artery disease
* healthier alternative to controlling weight than smoking and dieting.
* healthy outlet for getting rid of anger.
* helps consume more calories
  - control weight, build lean muscle and reduce fat
  - in the utilization of calories
  - increase physical stamina
  - keep the body healthy, so include some activities everyday
  - loosen mucus and helps stimulate coughing
* helps people feel happy
  - stay at a healthful weight and maintain strong bodies
* helps reduce pain
  - the risk of heart disease which risk factor for brain attack
  - relieve asthma in a variety of ways
* helps to increase bone volume and density
  - metabolism as well as burn calories
  - lessen the tensions and frustrations inherent in today's society
  - offset the physical side effects of chemotherapy and radiation
  - release pressure caused by anger, nervousness, emotional distress
  - with weight loss and self-esteem in several ways
* improves health
  - the body's ability to use insulin and helps strengthen the heart
* increases alpha waves that are associated with relaxation and meditation.
* involves changing body position regularly
  - moving the body
  - running, walking, sitting, and standing in formation
* is also important for children to develop peak bone mass
  - in building strong bones
* is an effective stress management technique
  - essential part of a healthy lifestyle
* is an important factor in maintaining our well-being
  - way to use up food energy
  - another area that people can control
* is any body movement produced by the action of our muscles
  - movement that uses energy
* is associated with better physical and emotional heath
  - cardiovascular risk factors in a developing population
  - critical for people with hemophilia
* is crucial to general health
  - our health, happiness, and well-being
  - decreased because of energy-efficient technology
  - difficult to measure directly
* is essential for a healthy pet bird
  - to maintaining a healthy lifestyle
  - great for the nerves
* is important for a strong and healthy body
  - fat loss
  - good health
  - weight maintenance, too
* is important in keeping bones strong
  - maintaining a normal weight
  - to health and well being
  - intimately related to other parts of our lives
  - natural for child and brings health
  - necessary to stimulate the body's own natural maintenance and repair system
* is one of the greatest preventative health investments for people of all ages
  - keys to good health for people of all ages
  - way to help lower blood pressure
  - part of a healthy lifestyle at any age, from brisk walking to light gardening
* is part of maintaining normal weight
  - optimal health
  - risky for persons with a disability
* is the best way for maintaining a healthier weight
  - crux of successful aging regardless of other factors
* is the key to the physical, mental and emotional development of students
  - variable for energy needs in the elderly, as it is for younger adults
  - method by which learning takes place
  - next most important way of burning energy
  - single-most important component of caloric expenditure
  - subject matter of physical education
  - used to enhance retention of the target language
  - usually no problem for people with background retinopathy
* is very important for everyone now and later in life
  - older people
  - recovery from injury to the sensory systems
  - several reasons
  - viewed as an essential part of the life of the liberally educated person
  - what burns calories
* keeps their joints mobile, and their muscles and heart strong.
* key factor in healthy aging.
* lowers blood pressure
  - risk of colorectal cancer
* maintains strength and coordination.
* major component of health and well being
  - part of weight management, as well as general health
* offers a variety of benefits for individuals with autism.
* plays a key role in disease prevention
  - reducing and preventing the effects of stress
  - pivotal role in health promotion and disease prevention
  - role in the reduction of bone loss
* powerful force in reducing insulin resistance.
* presents few problems to people with background retinopathy.
* prevents age-related impairment in nitric oxide availability in elderly athletes.
* produces extra body heat
* promotes happiness, satisfaction, self expression and social interaction
  - loss of body fat and development of muscle
  - powerful muscles which protect the major joints
* puts a damper on insulin levels, lowers blood pressure and slows the heart rate.
* raises self-esteem in children and youth, and reduces depression in adults.
* reduces a person's risk of heart disease and blood pressure
  - disease and high blood pressure
  - mental stress
  - the likelihood of constipation
* releases muscle tension, improves circulation and reduces blood pressure
  - tension and normalizes stress hormones
* seems to help prevent stones.
* speeds fluid loss via perspiration
  - the movement of waste material from intestines
* stimulates the bones to maintain their strength.
* strengthens bones and muscles.
* stresses the body even more.
* supports health and helps reduce stress.
* tends to decrease with age and is lower in females that in males.
* varies substantially among American women of different races.
* widely achievable means to a healthier life.