From Wikipedia, the free encyclopedia. Military branch (also service branch or armed service) is according to common standard the subdivision of the national armed forces of a sovereign nation or state. In classical terminology, the three basic military branches are the Army, Air Force, and Navy. Army. Air Force.
Health factors in the County Health Rankings represent what influences the health of a county. We measure four types of health factors: health behaviors, clinical care, social and economic, and physical environment factors. In turn, each of these factors is based on several measures. A fifth set of factors that influence health (genetics and biology) is not included in the Rankings. Alcohol & Drug Use.
Factors that influence health: An introduction. Course content. You can start this course right now without signing-up. Click on any of the course content sections below to start at any point in this course. If you want to be able to track your progress, earn a free Statement of Participation, and access all course quizzes and activities, sign-up. 1  Introduction. 2  Learning outcomes. 3  1 Exploring the factors that influence health. 1 Exploring the factors that influence health.  2 Age, sex and hereditary factors. 2 Age, sex and hereditary factors.