All about health!

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Across
  1. 3. state of mental or emotional strain or tension
  2. 5. substance taken for its narcotic or stimulant effects
  3. 6. substance in cigarettes
  4. 9. being grossly fat or overweight
  5. 10. being free from illness or injury
Down
  1. 1. essential need in our everyday life
  2. 2. heaviness of a person
  3. 4. carried out to sustain or improve health and fitness
  4. 7. can make you drunk
  5. 8. disease that weakens your immune system