To be effective, the spermicide must be placed deep in the vagina, close to the cervix. Creams, gels, and foams are squirted into the vagina using an applicator. Other types of spermicides include vaginal contraceptive film (VCF), a thin sheet placed in the back of vagina by hand, and vaginal suppositories.
Causes of Alzheimer's disease. Alzheimer's disease is caused by parts of the brain wasting away (atrophy), which damages the structure of the brain and how it works.
Early-onset Alzheimerâs disease occurs between a personâs 30s to mid-60s and represents less than 10 percent of all people with Alzheimerâs. Some cases are caused by an inherited change in one of three genes, resulting in a type known as early-onset familial Alzheimerâs disease, or FAD.