Consumer Reports Best Buy Drugs category; and cost less on average than other drugs in the category. Several of the Best Buys have been chosen because of their superior effectiveness or safety profile even though they may cost more. The project publishes Best Buy Drugs drug reports, the first three such reports covered Statins to reduce high cholesterol, heartburn drugs, and NSAIDs commonly used to treat arthritis. The project covers over 20 conditions and the most widely used drugs. The reports are published in web versions, and two-page PDF summaries in English and Spanish. More than half of all prescription drugs cause adverse effects—some serious
Reference ranges for blood tests range for a blood test is generally the venous range, as the standard process of obtaining a sample is by venipuncture. An exception is for acid-base and blood gases, which are generally given for arterial blood. Still, the blood values are approximately equal between the arterial and venous sides for most substances, with the exception of acid-base, blood gases and drugs (used in therapeutic drug monitoring (TDM) assays). Arterial levels for drugs are generally higher than venous levels because of extraction while passing through tissues. Reference ranges are usually given as what are the usual (or "normal") values found in