Who could do most to improve the health of the country - medicine makers or policy makers? Dr Michael O'Donnell looks at evidence from around the country.

Meanwhile....
'A is for Acid that poisons the Air
B is for Bangers you fry in the pan
C's for Cholesterol, Corpses galore'
in an A-Z by Roger Woddis, read by Alexandra Pigg.
Additives and emulsifying agents mixed in with the Go Go Boys and Hattie Hayridge (e)
(Part 2, a studio discussion, next Thursday)

Support Material: for a free BBC booklet send a 22p sae (9 1/2 x 6 1/2) to Health, Wealth and Happiness, [address removed]
Roger Woddis: page 88