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  • An adult brain weighs ap­prox­i­mately 1 – 1.5 kg.
  • The brain’s vol­ume is ap­prox­i­mately 1.6 litres.
  • We have around 100,000,000,000 brain cells.
  • In­tel­li­gence has noth­ing to do with brain size.
  • An adult brain makes up 2% of body weight and ac­counts for around 20% of our oxy­gen con­sump­tion and 23% of our en­ergy re­quire­ments.
  • A child’s brain triples in size in the first 3 years of life.
  • The brain is made up of 50 – 60% fat. DHA ­accounts for around 25% of the fatty acids, with AA ac­count­ing for 15%.
  • The most im­por­tant nu­tri­ents for the brain are Vi­t­a­min A and D, the trace el­e­ments iron, io­dine, cop­per, se­le­nium and zinc as well as the omega-3 fatty acid DHA and the omega-6 fatty acid AA.

Fur­ther In­for­ma­tion

 

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