Ventilation-perfusion (V/Q) scan is a specialized test that uses a radioactive substance to show the parts of the lungs that are getting oxygen (ventilation scan) and getting blood flow (perfusion scan) to see if there are portions of the lungs with differences between ventilation and perfusion.
Moleskin may be the first commercial blister treatment and prevention product I remember using. My dad always kept some moleskin in his pack and at the first complaint of any hot or sore feet, out it would come.
Evening primrose oil (EPO) is licensed for the treatment of mastalgia (breast pain) in the United Kingdom. Conflicting evidence has been reported with EPO in the treatment of breast pain. Additional well-designed studies are needed before a firm conclusion may be made.