[tex]\sf\purple{Depressants}[/tex] slow down or reduce nerve activity.
Explanation:
Those substances that slow down or reduce nerve activity are known as depressants ( or relaxants ).
Some examples include - alcohol, sleeping pills, opioids etc.
[tex]\large\mathfrak{{\pmb{\underline{\orange{Mystique35 }}{\orange{❦}}}}}[/tex]
