it depends on which sport you are playing.
they can make you faster and stronger
It affects your concentration and the performance. If you're very anxious, you can not focus or concentrate on work, school, and sports.
They get weaker so they get injured very easily.
Cohesion in relation to sport is what keeps a group or team together.
If you dont get enough sleep, you will be fatigued, which will affect performance.
not performing to the to the best of there ability and not being able to the concentrate enough
nervousness affects the athlete's concentration. this can make there performance like getting of the start in a race not very solid. the nervousness kicks over and it affects your team morale (if in a team) that will affect the end result.
Altitude
It affects you because the smoke effects you lung and makes it hard for you to breath as well as run slower then you normally do.
Altitude affects density and pressure by decreasing when it increases.
It reduces climb performance.
Using a hypobaric tent for altitude training can improve endurance, increase red blood cell production, and enhance overall athletic performance. The reduced oxygen levels in the tent simulate high-altitude conditions, prompting the body to adapt and become more efficient at utilizing oxygen. This can lead to better performance in endurance sports and faster recovery times.