RTFA: http://news.bbc.co.uk/2/hi/health/7892272.stm

Scientists believe a common heart medicine may be able to banish fearful memories from the mind.

The Dutch investigators believe beta-blocker drugs could help people suffering from the emotional after effects of traumatic experiences.

They believe the drug alters how memories are recalled after carrying out the study of 60 people, Nature Neuroscience reports.

But British experts questioned the ethics of tampering with the mind.

uhm, this is how Viagra started