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.
A drug is any substance that alters the central nervous system, brain chemistry or bodily functions. There is no single definition since there are different meanings of the word drug, with regard to medicine, government and street usage. Dictionary.com defines a drug as a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well-being.. Medicinal drugs may be prescribed by a doctor for a limited time frame or for use on a regular basis for chronic condition.