Medical cannabis may have little or no benefit for sleep problems in adults with insomnia, but the evidence is very uncertain. People who used medical cannabis reported more unwanted effects than ...

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 ...

Compared to levonorgestrel (a common emergency contraception pill), mifepristone probably results in fewer pregnancies. It is also probably more effective at preventing pregnancy than the Yuzpe method ...