Answer :
They can sometimes provide the same end product, such as relaxation for example, through a less risky and more healthy behavior.
Yoga and meditation are based on relaxing, letting everything go and connecting with who you are as an individual. This can be an alternative to drug use by putting someone in a more relaxed state. They may not feel the need to use the drug if they are calm and relaxed, and this is why it can serve as a great alternative to using street drugs or prescription drugs.