Abrasion as a human sexual practice involves sexual arousal from contact with abrasive substances. This can be person-to-person as in a harsh rubbing of the skin known as a dutch rub or with various substances such as scratchy wool or thistles. Use o

An abortion is the termination of a pregnancy by the removal or expulsion from the uterus of a fetus/embryo, resulting in or caused by its death. An abortion can occur spontaneously due to complications during pregnancy or can be induced, in humans a

An abortifacient is a substance that induces abortion. Abortifacients for animals that have mated undesirably are known as mismating shots. 　　Common abortifacients used in performing medical abortions include mifepristone, which is typically used in

Abstinence, be faithful, use a condom, also known as the ABC strategy or abstinence-plus sex education, also known as abstinence-based sex education, is a sex education policy based on harm reduction which modifies the approach of abstinence-only sex

Serendipity is the effect by which one accidentally discovers something fortunate, especially while looking for something else entirely. The word has been voted as one of the ten English words that were hardest to translate in June 2004 by a British

Waldenstr?m's macroglobulinemia （WM, also known as lymphoplasmacytic lymphoma） is cancer involving a subtype of white blood cells called lymphocytes. The main attributing antibody is IgM. It is a type of lymphoproliferative disease, and shares clinic

Benign prostatic hyperplasia (BPH) also known as nodular hyperplasia, benign prostatic hypertrophy (technically a misnomer) or benign enlargement of the prostate (BEP) refers to the increase in size of the prostate in middle-aged and elderly men. To

Cyclic guanosine monophosphate (cGMP) is a cyclic nucleotide derived from guanosine triphosphate (GTP). cGMP acts as a second messenger much like cyclic AMP, most notably by activating intracellular protein kinases in response to the binding of membr