October 23, 2006 -- Hypertension is defined by a specific level of blood pressure, where the allowable values are based on epidemiological studies indicating that such values carry a higher risk of death or disease. Over the past several decades, that “maximum allowable” number has been coming down significantly. The diagnosis for this disease is based on a single reading, even though blood pressure varies greatly through the day. We look at hypertension, the biggest market for pharmaceuticals...