The women that were studied were split into two groups: Those that got breast cancer and those that did not get breast cancer. 1  Of those women that got breast cancer, 99% wore their bras for longer than 12 hours per day, and only 1% wore their bras for less than 12 hours per day .
pharmaceutical - drug or medicine that is prepared or dispensed in pharmacies and used in medical treatment. pharmaceutic. medicament, medication, medicinal drug, medicine - (medicine) something that treats or prevents or alleviates the symptoms of disease.
This definition provides a clear distinction between a medical device and other FDA regulated products such as drugs. If the primary intended use of the product is achieved through chemical action or by being metabolized by the body, the product is usually a drug. device is:  1 an instrument, apparatus, implement, machine, contrivance, implant, in vitro reagent, or other similar or related article, including a component part, or accessory which is: 2  recognized in the official National Formulary, or the United States Pharmacopoeia, or any supplement to them,