Glossary H

HBM (Health Belief Model) which is the acronym of Health Belief Model which is a major theory of health behavior that suggests that our beliefs relating to the effectiveness, ease, and consequences of doing (or not doing) a certain behavior will determine whether we do or not do that behavior.

HCI is the abbreviations of Human-computer interaction which is the application of of human factors to the design of computers and computer soft ware.

- HD (Huntington's disease) : HD is the abbreviations of Huntington's disease, a genetic, autosomal dominant progressive sub-cortical Dementia that inflicts devastating motor impairment in the form of chorea, as well as cognitive decline on adults in the prime of their lives. HD is also called Huntington's Chorea. Please see Huntington's disease.

- HDL (High-density lipoprotein) : HDL (High-density lipoprotein ) is a form of lipoprotein that confers some protection against coronary artery disease; chemicals that help keep arteries clear and break down LDLs

HDL cholesterol is the acronym of High-Density Lipoprotein Cholesterol) , a cholesterol that is transported in the blood via high-density proteins; related to low risk of heart disease.

Head may be defined as the prominent, rounded projection of the proximal end of a bone, usually articulating, such as the humeral or femoral head.

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Head parameter refers to a grammatical feature that specifies the position of the head of a phrase, noun in noun phrase, verb in verb phrase, and so on,.

Head Start is defined as a large-scale pre-school educational program designed to provide children from low-income families with a variety of social and intellectual experiences that might better prepare them for school.