VideoThe science of cannabis: Can it really help our mental health? Cannabis was long thought to harm mental health but is now prescribed as a treatment. Psychopharmacologist Val Curran looks at the evidence Video
HealthMini organs grown from tumour cells can help us choose the best chemo Miniature clumps of cells grown from a person's tumour biopsy can be used to test different cancer treatments so medics can decide which one is best for the individual News