There are numerous publications concerning good results of use of fibrin tissue adhesive in all fields of surgery, but many reports are uncontrolled studies and some trials show no benefits but harmful effects [11].
This critical review focuses on evidence-based research designed to assess both therapeutic benefits and harmful effects of cannabis exposure and is combined with an illustration of the neuropathologic findings in a fatal case of cannabis-induced psychosis.
Emerging research evidence suggests a potential benefit in being upright in the first stage of labour and a systematic review of trials suggests both benefits and harmful effects associated with being upright in the second stage of labour.
Emerging research evidence suggests a potential benefit in being upright in the first stage of labour [ 14] and a systematic review of trials suggests both benefits and harmful effects associated with being upright in the second stage of labour [ 15].
Vitamin C: A single randomised trial reported no significant benefits or harmful effects were associated with treatment allocation to higher or lower ascorbic acid supplementation throughout the first 28 days [ 90].
For individual women, full information on the possible benefits and harmful effects of screening are essential to enable an 'informed choice' to be made and the need for accurate and understandable information has been emphasised recently (Baines, 2003; Thornton et al, 2003).
It is important for clinicians to routinely ask patients about their CAM use, but making recommendations about use, especially in conjunction with chemotherapy, radiation therapy and hormone therapy remains problematic due to lack of research of the potential benefits or harmful effects of these combinations.
These results indicate the need for new research to address the ongoing uncertainties with the evidence base, followed by high-quality translation research if future studies suggest benefit without harmful effects on antibiotic resistance patterns.
There is also a risk for publication bias in that programs and services which resulted in no overall benefit, or harmful effects may not have been reported on or published, and would therefore would not be included in this search.
GPs and PPs believed there to be more benefits and less harmful effects of medicines compared with nurses.
