Boiling. A liquid boils at a temperature at which its vapor pressure is equal to the pressure of the gas above it. The lower the pressure of a gas above a liquid, the lower the temperature at which the liquid will boil.
CHANCA PIEDRA Overview Information. Chanca piedra is an herb. The whole plant is used to make medicine. Chanca piedra is used for various disorders of the urinary tract including infections, pain and swelling (inflammation), kidney stones, and discharge from the urethra or vagina.It is also used for digestive tract disorders including gas, loss of appetite, stomachache, intestinal infections, constipation, and dysentery.HANCA PIEDRA Side Effects & Safety. Chanca piedra is POSSIBLY SAFE when taken by mouth for a short time period (up to 3 months). It is not known if chanca piedra causes side effects. Pregnancy and breast-feeding: Chanca piedra is POSSIBLY UNSAFE when taken by mouth by pregnant women or those trying to become pregnant.
PUVA (psoralen and ultraviolet A radiation) treatment has been used for decades to treat severe psoriasis. In this combination therapy, the psoralen, taken internally, acts as a skin sensitizer.The sensitized skin affected by psoriasis can then be treated by ultraviolet A radiation.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.