Gist
Yes. Sprinting can support weight loss by adding high-intensity exercise and energy expenditure, but it is demanding and weight loss still depends on an overall calorie deficit.
Yes, sprinting can improve high-intensity stamina and recovery between bursts, but general stamina is best developed with a mix of sprint work and sustained aerobic exercise.
Yes, sprinting can improve some components of endurance by raising aerobic capacity and repeated-effort fitness, but it does not replace longer sustained endurance training.
Yes. Sprint interval training can improve cardiovascular fitness and VO2 max, but it is very demanding and is not proven superior to well-structured moderate continuous training.
Yes. Sprinting can support fat loss through high-intensity energy expenditure and fitness improvements, but body-fat reduction still depends on a sustained calorie deficit.