Why are people more likely to have a heart attack at eight in the morning or crash their car on the motorway at two in the afternoon? The answer lies in our biological clock. Show more
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Why are people more likely to have a heart attack at eight in the morning or crash their car on the motorway at two in the afternoon? The answer lies in our biological clock. Show more
BBC Four reflects arts, music and culture with an ambitious range of intellectually and culturally enriching programmes, taking an expert and in-depth approach to its subjects.
