me:

pH balance in your mouth, and how it affects your teeth! Inspired by my dentist scolding me for my daily energi drink consumption, cause it’s apparently detrimental to the health of my enamel… whatever that means

This means:

If you draw a hard line between "drug" and "medicine" based on current legality where you live (or any other criteria) you've gone wrong somewhere,

If you think legality and/or prescription status tells you all you need about a substance's capacity to do massive harm to someone's body, mind or well-being you've gone wrong somewhere,

If you think legality and/or prescription status tells you all you need about a substance's capacity to contribute meaningfully to someone's healing, function or happiness you've gone wrong somewhere,