Evaluates the risks to human health posed by the consumption of food contaminated with ochratoxins, trichothecenes, or ergot. Health effects possibly linked to these mycotoxins range from gastrointestinal disturbances and throat irritation to gangrene, nephropathy, and tumours of the renal pelvis and ureters. Evaluations are based on a critical review of well over 700 investigations, many of which were published during the past decade.