Hay fever.

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<p>Short documentary film describing the causes and symptoms of hay fever and showing how pollen is collected and made into desensitising sets for sufferers.  Grasses are grown for their pollen at a Pollenarium. Dr John Freeman describes how he and Leonard Noon devised a potential treatment for sufferers of hay fever. A detailed sequence shows how the grasses are cut and the pollen collected and dried before being weighed and put into bottles, then taken to the laboratory at St. Mary's Hospital in London. Dilutions of the extracts of the pollens are sealed in small bottles that make up the desensitising sets, used by hospitals, clinics and GPs. We are shown how a Hay Fever sufferer has different extracts tested on their forearm to see which pollens they get an allergic reaction to. The relevant desensitising set is then prescribed so that the patient can treat herself. The final shot shows a girl who is now able to walk in the countryside, free from her usual hay fever symptoms. 1 segment.</p>

Hay fever.

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