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.
Whereas medicinal products (also called pharmaceuticals) achieve their principal action by pharmacological, metabolic or immunological means, medical devices act by other means like physical, mechanical, or thermal means. Medical devices vary greatly in complexity and application. Examples range from simple devices such as tongue depressors, medical thermometers, and disposable gloves to advanced devices such as computers which assist in the conduct of medical testing, implants, and prostheses. The design of medical devices constitutes a major segment of the field of biomedical engineering.