After the Second World War, with economic prosperity and marked improv
ement in medicine, hygiene environments and nutrition, and also by org
anization of the medical insurance system in Japan, we have achieved t
he worldxs longest life span of 80 years superseding the average of 50
years in the past. As to the structure of diseases, tuberculosis and
acute infectious diseases have diminished, whereas life-threatening di
seases such as cancer, coronary heart disease, cerebrovascular disease
s have been increasing. Despite the advancement of the standard of liv
ing and material prosperity, environmental and ecological distortion h
as been taking place in various forms, that is, nature has been on the
verge of destruction, and industrialization has been bringing many pr
oblems relating to environmental pollution. With regard to psychosomat
ic aspects, particularly among school children, there are many reports
on school refusal, violence in school and at home, juvenile delinquen
cy, bullying and suicide. Eating disorders and personality disorders t
end to increase in puberty and adolescence. In middle-aged males, work
aholics and stress-related psychosomatic disorders, Karoshi (death fro
m overwork), suicides due to depression are matters of great concern.
In relation to the aged population which is on the rapid increase, how
to care for bed-ridden and dementia patients is also drawing much att
ention. The numbers of AIDS patients, kitchin drinkers and the rate of
divorce tend to increase. The term ,,technostress'' is becoming popul
ar among computerrelated workers.