By itself, spermicide prevents just 72% of pregnancies, the least effective of any major contraceptive measure. Because of its poor success rate, spermicide is often used in conjunction with other contraceptives such as patches and condoms.
Answer:both smoking weed when you are depressed because it will make you even more depressed trust me i know and also taking a presicption painkiller just for a high. Those are two examples of drug misuse.
