What are the risks associated with the use of stimulants in sports?

Stimulants act directly or indirectly on the sympathetic nervous system and are present in foods, prescription drugs, or illegal recreational drugs on the black market.
Stimulants can accelerate heart rate, increase blood pressure, and cause all the effects of adrenaline.
Athletes have used stimulants since the Roman gladiators 600 BC.
Stimulants are used by athletes for various reasons, including to feel more energetic, to be alert, to fight fatigue, and to improve performance.
Stimulants can cause anxiety, palpitations, accelerated heart rate and arrhythmias, tremors, stomach upset, and insomnia.
Stimulants can contribute to heat-related illnesses when athletes train in warm climates.
The use of stimulants is a significant temptation in the young population, not only for sports performance but also as recreational drugs.
The combination of different stimulants can cause serious problems, and it is imperative to have knowledge of the total amount of stimulants that an athlete may be consuming.