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Population growth and contraception in Africa

SIR,-Dr P V F Cosgrove's letter (20 March, p 900) raises an important issue regarding food shortages and population growth in Africa. The problem of famine is often associated with population explosion. The average African has 10'", less to eat than 10 years ago. Hence the conclusion is drawn that the main way to overcome it is to control fertility. Typical of that position is the assertion that population limitation is the preliminary condition for any radical improvement of the human condition.