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Health prophylaxis and environmental diagnosis are indispensable activities for the health of the populations. The human population should be protected against neoplasms by: 1) environmental diagnosis of carcinogens and their elimination and reduction in the occupational environment and urban and rural areas; 2) awareness of the carcinogenic factors: aetiological, pathogenic routes of absorption, exposure time and individual as well as group-related means of environmental prevention; 3) early diagnosis of disease and early beginning of treatment according to specialist medical indications. The first prodromal signs make possible identification, differentiation and evaluation of the degree of health risk; 4) oncological health education concerning the harmful carcinogenic factors, physical, chemical or biological, in the environment. Programmes of health education should be realized and the population should be instructed on the principles of prevention of malignant neoplasms, especially in schools and production plants. A higher level of awareness means a development and progress in human health protection. The outlining of the directions of these actions is important not only for an improvement of the health quality of the environment in Poland but will serve also as a directive for similar programmes in other European and non-European countries. The programme of cancer control should be based on an ever greater level of advanced environmental prophylaxis and diagnosis. This is indicated ever more since prophylactic medicine is less costly than therapeutic and surgical interventions in cases of cancer causing 90,000 of deaths in our country. The medicine to come will include a higher level of health education of the populations in the prophylactic measures and a higher level of knowledge on the environmental aspects of health and disease of mankind.

A detailed 402 patient survey explored the psychological concomitants of arterial hypertension. Non-linear correlation analysis was used to uncover the strong association of psychic and somatic aspects in patients with arterial hypertension and to suggest new methods for their ambulatory rehabilitation. Aspects of patient compliance were considered, taking into account the patients' psychic status. Particulars of doctor--patient relationship were discussed and strong emphasis was placed on close psychological affinities between the two as the prerequisite for fostering patient compliance. A multi-dimensional study, is was concerned with assessing the efficiency of both drug therapy (hypotensive and psychotropic drugs and an association of the two) and other types of therapy (autogenous training, therapeutic relaxation exercise) for the rehabilitation of patients with arterial hypertension by means of polyclinic-based ambulatory care.

Method of computer-aided ECG diagnosis allows for the rapid interpretation of a high number of tracks and access to a significant amount of information within a minimal time. There has been developed a system for computerized ECG analysis, operating upon the recordings performed within the 12 scaling derivations--getting to a preprocessing of the signals, analog-digital conversion, detection of waveforms and application of some current diagnostic criteria. Performances of the system tested on 800 ECG tracks have been estimated so far at 98% correct diagnoses (p less than 0.05) for normal and pathological cases, the integral interpretation taking 50-55 seconds. The investigation aims at turning the program into an expertise system equalling the effectiveness and competence of human specialist.