Sustained effects of brief daily stress (fighting) upon brain and adrenal catecholamines and adrenal spleen, and heart weights of mice.

Male white Swiss mice that had previously been made aggressive by several weeks of individual housing were allowed to fight for 5 to 10 minutes each day for 5, 10, or 14 consecutive days; fighting caused a marked enlargement of their adrenals, spleens, and hearts, and a large increase in adrenal cat... View More