Geoff Watts explores the cultural and scientific story of hallucination.
Hearing voices was once considered a sign of madness, but has there been a cultural shift?
Vivienne Parry reports on new research into tackling muscle wastage.
Vivienne Parry asks if the NHS can deliver the benefits of genomic medicine for all.
As Dr Mark Porter's waistline increases, he puts his body mass index, or BMI, to the test.
What causes middle-aged spread?
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