Brain

Food for Thought: Your Brain Needs Fuel Too

Food for Thought: Your Brain Needs Fuel Too

Your brain may only make up a small proportion of your body weight, but it requires a continuous supply of energy to keep working.

It is active when you're concentrating, talking, remembering, making decisions and moving — and it continues working while you're resting and sleeping.

Food supports more than physical energy

The food we eat provides energy and nutrients that support processes involved in:

  • Concentration and attention
  • Memory and learning
  • Thinking and decision-making
  • Nervous system function
  • Movement and coordination
  • Mood and emotional regulation
  • Normal growth, repair and everyday body functions

When someone hasn't eaten enough, or has gone a long time without food, they may notice changes such as low energy, irritability, difficulty concentrating, headaches or feeling shaky. These experiences can have many causes, so they shouldn't automatically be assumed to be caused by food.

This can matter for neurodivergent brains too

ADHD, autism, sensory differences, interoception difficulties and hyperfocus can sometimes make noticing hunger or remembering to eat more difficult.

You don't always need to feel strongly hungry before your body deserves nourishment. For some people, routines, reminders, safe foods or eating alongside someone else can make regular nourishment more accessible.

Food doesn't need to be perfect

Supporting your brain isn't about finding a perfect diet or labelling foods as “good” and “bad.”

Sometimes nourishment means a balanced meal. Sometimes it means a familiar snack, a safe food or simply something you are able to eat today.

Your brain doesn't need perfection.

It needs energy, nourishment and consistency wherever that's possible.

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