the.com/relaxant
A chemical permission slip telling your muscles to stop clenching like that.
means A drug or substance that reduces muscle tension or eases tightness, calming the body.
from From Latin relaxare, to loosen or stretch out — re- (back) plus laxare (to slacken), the same root that gives us lax and release.
Surgery stapleAnesthetists use them so muscles stay still mid-operation.
Curare twistThe arrow poison curare is a deadly muscle relaxant.
Not sedativesMany relax muscles without making you sleepy.