11.   Researchers say the drug, a stimulant, actually calms the children by boosting the level of dopamine to help keep them focused.

12.   Studies show inclusion boosts achievement levels, social skills and self-esteem of special needs children, says educator Virginia Roach.

13.   That boosts the level of economic activity and creates jobs, at least temporarily.

14.   The Continental Basketball Association said it plans to boost its level of play by luring high school and college basketball players with professional contracts, infuriating some college coaches.

15.   The drugs block the reabsorption of serotonin, thus boosting available levels of the mood-altering brain chemical.

16.   The US House of Representatives passed a bill this week that would boost the level of tax-deferred retirement contributions allowed annually per person.

17.   What it does is boost phosphocreatine levels in your muscle cells.

18.   When you make a save like that and the crowd goes crazy, it just boosts your level up more.

19.   You can boost GH levels naturally with vigorous exercise such as weight training.

20.   Protease inhibitors boost the level of T-cells which fight the disease, giving sufferers a greater chance of survival.