Please see the 2 ways in which you can use the 2 options to mean remember. 1  yo recuerdo ahora que deje de hacerlo ayer - I now remember I did not do it yesterday. Or. 2  yo me acuerdo ahora que deje de hacerlo ayer - it means the same as the above but acordar requires the object pronoun me, te, le, nos, os, les.
Very low concentrations may be detected during the initial few hours, however, benzoylecgonine persists in urine at detectable concentrations from 2-4 days. Chronic, heavy use of cocaine can result in detectable amounts for up to 10 days following a binge use.
To make your system free of nicotine both cotinine and nicotine remnants have to be fully expelled from the body. Cotinine stays in your system much longer than alcohol does. After you have quit smoking or consumption of tobacco, the cotinine substance can remain in your body up to 3 months or more. How long does nicotine stay in your system depend on various factors such as: 1  Volume of nicotine got into your system, 2  Frequency and time-period of tobacco usage, 3  Diet, lifestyle habits, and health condition of the person.