Concentration in general may be defined as an active state of mind wherein the whole of attention, with all available energy and talent.

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Evidence for vaporization of cannabis as a stimulus for creativity and productivity?

To get our work done, we can use many physical stimuli: a padded chair, a thermostat at the perfect temperature, a gel-filled mousepad, a mug of coffee, a cigaret, a can of redbull, music, a quick ...