Which statement is always false for athletes participating in team sports?

sports push athletes to their physical and mental peaks.
being an athlete requires discipline and persistence.
conflict resolution is a sign of poor sportsmanship.
a leader should push the team to perform to its full potential.

answer; philip zimbardo;

exposure to hazardous carcinogens and toxic substances can cause breathing problems, such as copd and various types of cancer. it also increases the risk of heart attacks and strokes and has serious (but no less unattractive) side effects, such as aging, yellow teeth, a terrible smell and damage to the vocal cords.