Henry, who just celebrated his 70th birthday, on average takes five different medications to manage his health conditions. He sometimes forgets he has taken medication and then overmedicates. Sometimes, when he combines his medications, he feels confused and disoriented. Which of these is NOT a likely reason he misuses drugs? He is intentionally abusing drugs. The number of prescriptions increases his risk of confusing medications. His doctor may overprescribe his medications. His doctor may unwisely mix certain medications.