Medical Definition of Kiss

Kiss: A touch or caress with the lips.

"The anatomical juxtaposition of two orbicularis oris muscles in a state of contraction." -- Henry Gibbons, Sr., MD (1808-1884) (This definition does not apply universally as a kiss can also refer to the single application of one's lips against anything else.)

QUESTION

Which chemical is known simply as the "hormone of love?" See Answer

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Reviewed on 12/11/2018