The Author Seems to Feel That It Is Most Difficult

question 22

Short Answer

The author seems to feel that it is most difficult to get funding for which level of intervention?

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Definitions:

Steroids

A class of lipids characterized by a carbon skeleton with four fused rings; they play roles in structure, as hormones, and more.

Target Cells

Specific cells affected by hormones or other agents due to the presence of receptors pertinent to the substance in question.

Local Regulators

Prostaglandins (a group of local hormones), growth factors, cytokines, and other soluble molecules that act on nearby cells by paracrine regulation or act on the cells that produce them (autocrine regulation).

GABA

Gamma-aminobutyric acid, a neurotransmitter in the brain that inhibits nerve transmission, promoting calm and reducing neural activity.