Reports on new theories of the stress concept. One theory maintains that stress is nonspecific and can cause a variety of diseases through exhaustion of the body. Another theory claims that stress may be caused by the production of hormones which are specific to certain psychological stimuli. (MLH)

Research done by workers at Harvard Medical School suggests that passive exposure to cigarette smoke can impair breathing in children ages five through nine. Lung flow rates (breathing ability) decreased for children with smoking parents, and significantly if the children also smoke. (MA)

Status reports on broad areas of Government-funded health research and research policy are briefly reviewed. (DT)

This second of two articles on photobiology focuses on clinical applications of light. See SE 511 547 for the first article. (DT)

Presents the National Commission for the Protection of Human Subjects of Biomedical and Behavioral Research guidelines for performing psychosurgery. Also includes dissenting arguments of commission members favoring a total ban of psychosurgery. (SL)

Reports on research investigating links between the psyche and somatic diseases. (CP)

Reports on scientific research with rats which has found that electrical stimulation in areas of the brain can trigger behavioral effects similar to those produced by narcotic drugs. (CP)