<Tr> <Td> Histamine receptor </Td> <Td> H histamine receptor antagonists </Td> <Td> diphenhydramine, doxylamine, mirtazapine, mianserin, quetiapine, olanzapine, meclozine, dimenhydrinate, most tricyclics </Td> </Tr> <Tr> <Td> Monoamine oxidase </Td> <Td> Monoamine oxidase inhibitors (MAOIs) </Td> <Td> phenelzine, iproniazid, tranylcypromine, selegiline, rasagiline, moclobemide, isocarboxazid, Linezolid, benmoxin, St John's wort, coffee, garlic </Td> </Tr> <Tr> <Td> Melatonin receptor </Td> <Td> Melatonin receptor agonists </Td> <Td> ramelteon </Td> </Tr> <Tr> <Td> Imidazoline receptor </Td> <Td> Imidazoline receptor agonists </Td> <Td> apraclonidine, clonidine, moxonidine, rilmenidine </Td> </Tr>

​the three most widely used psychoactive drugs in u.s. society are ____