The length of time nicotine remains in the blood stream depends on the amount consumed and the frequency of consumption. Nicotine can stay for 48 hours. Beyond this time it is not detected either in the blood or urine. However, the cotinine metabolite can leave traces for about 7 days.
The Color Blue. The color blue is the color of trust and responsibility. This color is one of trust, responsibility, honesty and loyalty. It is sincere, reserved and quiet, and doesn't like to make a fuss or draw attention. It hates confrontation, and likes to do things in its own way.
White Color Meaning. White is a neutral color that has always been associated with purity, innocence and freshness. Perhaps this is why white is worn by brides as it symbolizes virginity and a new beginning. It also implies sterility and safety and is therefore worn by doctors for its association with healing.