Gifts and payments from pharmaceutical companies to doctors increase inappropriate prescribing and the number of prescriptions doctors write, and probably increase the costs. Pharmaceutical company ...

Stopping sedation each day may reduce the time people spend on a ventilator, probably reduces the number who die, and probably reduces the time people spend in intensive care and hospital, compared to ...

Compared with an inactive (dummy) treatment, aciclovir and penciclovir creams probably speed up cold sore healing by about one day without increasing the risk of unwanted events. Compared with each ...

Our Handbooks describe the process of preparing and maintaining diverse types of systematic reviews. Handbooks are updated regularly to reflect advances in systematic review methods and in response to ...