Immediate effects
  • carbon monoxide levels in the lungs increase so that more effort must be made to achieve the same physical results as a non-smoker
  • initial stimulation, then reduction in brain and nervous system activity
  • enhanced alertness and concentration
  • glassmild euphoria
  • heart rate and blood pressure increase
  • decreased blood flow to body extremities like the fingers and toes
  • relaxing skeletal muscles and increasing tension in other muscles
  • reduced lung capacity due to increased resistance in the airways
  • dizziness, nausea, watery eyes and acid in the stomach
  • decreased appetite, taste and smell.