The percentage of those of Hispanic origin in the United States who were of Mexican background in 2013. Another 9.5 percent were of Puerto Rican background, 3.7 percent Cuban, 3.7 percent Salvadoran, 3.3 percent Dominican and 2.4 percent Guatemalan.
Onset of effects occurs within 30-60 minutes after taking Concerta. After that, duration of action lasts from 8-12 hours. And the average times to reach peak plasma concentrations across all doses of Concerta occur between 6-10 hour s. The average half-life for Concerta in adults is about 3.5 hours.
The MRTC is always closed Dead Day, December 23 and the Sunday before Martin Luther King Day, Super Bowl Sunday, Easter, the Sundays before and after Spring Break, the Sunday before Labor Day, the Sunday before Fall Break, and the Sunday after Thanksgiving and Sundays during summer sessions and intersessions.