Q&A
Q&A
Ginkgo ineffective for tinnitus
BACKGROUND: There is no definitive pharmacological treatment for tinnitus.
Q&A
Tapering inhaled steroids effective for chronic asthma
BACKGROUND: Asthma management guidelines recommend a reduction in steroid use once control is obtained.
Q&A
Antioxidant vitamins do not prevent cardiovascular disease
BACKGROUND: Oxidized low-density lipoprotein is thought to play an important role in the development of atherosclerosis.
Q&A
Thrombolytic therapy for acute ischemic stroke: risks vs benefits
BACKGROUND: The research on the use of rtPA for victims of acute ischemic stroke has shown a mixed effect. Initially optimistic results...
Q&A
Educational interventions improve outcomes for children with asthma
BACKGROUND: A previously published meta-analysis suggested that asthma education programs for children do not affect asthma-related morbidity or...
Q&A
Oral prednisone prevents relapse in COPD exacerbations
BACKGROUND: The management of a COPD exacerbation is generally directed at relieving symptoms and restoring functional capacity.
Q&A
Estrogen plus progestin may increase incidence of dementia
BACKGROUND: Lower endogenous estrogen levels in post-menopausal women is a potential reason why women have a higher risk of developing Alzheimer...
Q&A
Negative antigen test misses <5% of strep pharyngitis
BACKGROUND: Thirty percent of pharyngitis in children is caused by Streptococcus pyogenes.
Q&A
Ezetimibe plus atorvastatin lowers cholesterol
BACKGROUND: Ezetimibe is a new medication that prevents intestinal absorption of cholesterol.
Q&A
Many abnormal PSA test results normalize over time
BACKGROUND: PSA is frequently used for prostate cancer screening.
Q&A
Omeprazole and placebo have same long-term effect on dyspepsia
BACKGROUND: Currently, approximately 80% of primary care physicians prescribe a course of antisecretory therapy for patients with uninvestigated...