Which cells do the HIV particles invade?

(A.)T-4 cells

(B.) B cells

(C). L cells

(D). They do not invade any cells.

Which of these is a controllable risk fator for disease

Wjat are substances intentionally added to food to produce a desired effect?

True or false: determining the source and motive of an ad for a health product will you decide whether the ad is a reliable source of health information.