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Many specialists maintain that, in some cases, chronic conditions such as migraine, eczema and irritable bowel syndrome could be caused by abnormal reactions or 'sensitivity' to certain foods. However there is no simple test for food sensitivities and estimates of the number of people affected range from 10% to 40% of the population. Consultant gastroenterologist Dr John Hunter believes that food intolerances stem from damage to the gut flora, or bacteria. He explains that this can be caused by antibiotics and by gastroenteritis, cases of which have increased as a result of the growth in foreign travel.

A 28-year-old woman recounts her experience of alopecia areata or partial hair loss. The embarrassment, awkwardness and shame associated with female hair loss and the ignorance about the condition that exists within the medical profession is discussed. The lack of sympathy shown by an ageing woman general practitioner is highlighted.

Experts warn that people who spend a long time on the toilet could be damaging their health because they are likely to strain too much. Specialist in colorectal surgery Professor Roger Grace points out that the idea that the bowels should be opened once a day is an outmoded concept dating from Victorian times. Grace explains that straining can cause problems such as haemorrhoids and fissures. However proponent of colonic irrigation Dr Gillian McKeith maintains that the bowels should ideally be opened twice a day, arguing that waste can go toxic in the intestines if it is not cleared out.