Table 5.

Positive and negative aspects with sport (at young age).

Aspect	Positive	Negative
Personal	Better self-esteem Better academic results That endurance and hard work pay off Independence and responsibility Making wise decisions Keep a positive attitude Manage stress Set clear goals Higher assessment of skills Higher working standards Better discipline Late alcohol store Lower alcohol consumption (in most sports) Less drugs Greater social capital Better relationships with adults Uses TV/PC less Lower risk of school dropout	Emotional fatigue One-dimensional identity Risk of abuse Increased stress Injuries Temptation for doping Fear of punishment Fear of failure Feeling pressure from the surroundings Fear of disappointing surroundings Risk of burnout Risk of overtraining Poor sleep Decrepit Repeated infections Risk of self-sacrifice Risk of self-injury Increased risk of destructive decisions (doping, cheating etc.) Risk of depression in case of rejection
Social	The usefulness of teamwork Good communication Larger contributions to society later in life Larger contributions to the family later in life Lower crime Opportunity in developing countries Increased chance of being active in sports clubs as older Easier to reach with education	Less integrated with the family Social isolation from other society
Physiological	Greater physical literacy Abilities to live a healthy life as adult and elderly Less smoking Less drugs Lower body fat Larger muscle mass Beneficial metabolism Higher aerobic and anaerobic capacity Lower risk for fractures as older Reduced general disease risk	Physical fatigue Increased injury risk Risk of eating disorders Overtraining Temptation for doping Risk of abuse (physical and mental) Unilateral training and development For Para athletes, injury can be a double handicap Worse oral health