Blue is the color of the sky and sea. It is often associated with depth and stability. It symbolizes trust, loyalty, wisdom, confidence, intelligence, faith, truth, and heaven. Blue is considered beneficial to the mind and body. It slows human metabolism and produces a calming effect.
1 Backlash (sociology), an adverse reaction to something that has gained prominence.  Backlash (pressure group), a UK group opposing the 2008 law criminalising possession of extreme pornography.
acne. chronic papular and pustular eruption of the skin with increased production of sebum Acne vulgaris: caused by buildup of sebum and keratin in the pores of the skin. blackhead or open comedo: a sebum plug partially blocking the pore. if the pore becomes completely blocked, a whitehead forms.