Seems they're explaining why things work, such as this: "In fact, drugs such as disulfiram which inhibit aldehyde dehydrogenase (ALDH), and cause acetaldehyde

Seems they're explaining why things work, such as this: "In fact, drugs such as disulfiram which inhibit aldehyde dehydrogenase (ALDH), and cause acetaldehyde accumulation if alcohol is consumed, are used as a treatment for alcoholism by causing discomfort noted above, including headache8 to discourage consumption."