Free variables and bound variables. For bound variables in computer programming, see Name binding. In mathematics, and in other disciplines involving formal languages, including mathematical logic and computer science, a free variable is a notation that specifies places in an expression where substitution may take place.
HPV virus infection and natural treatment with dietary supplements, risk of vaccine by Ray Sahelian, M.D. December 28 2014. Genital HPV infection is a sexually transmitted disease (STD) that is caused by human papillomavirus.HPV is the name of a group of viruses that includes more than 90 different strains or types.PV infection and cervical cancer Genital human papilloma virus, the most common sexually transmitted disease in the United States, is associated with cervical cancer in women, and penile cancers in men. The infection is asymptomatic until a malignancy develops.
One of the skin diseases for which PUVA is used and for which it was originally developed is psoriasis. The psoralen, 8-methoxypsoralen (8-MOP) (Oxsoralen), is used for the treatment of psoriasis along with exposures to ultraviolet light in the UVA spectrum.PUVA is also of benefit in treating vitiligo, mycosis fungoides (cutaneous T-cell lymphoma), and graft versus host disease.The most common form of therapy combines 8-methoxypsoralen taken by mouth followed 45-60 minutes later by exposure of the skin to UVA.UVA is also of benefit in treating vitiligo, mycosis fungoides (cutaneous T-cell lymphoma), and graft versus host disease. The most common form of therapy combines 8-methoxypsoralen taken by mouth followed 45-60 minutes later by exposure of the skin to UVA.