copper

A chemical element (symbol Cu)
Naturally found in the earth and in many foods
Why your body needs it
Copper plays several quiet but vital roles:
Helps form red blood cells
Supports the immune system
Aids brain and nerve function
Helps the body use iron
Contributes to healthy skin, hair, and connective tissue
Food sources
You can get copper from:
Nuts (like almonds and peanuts)
Seeds
Liver (very rich source)
Shellfish
Whole grains and beans
In industry
Copper is widely used because it:
Conducts electricity very well (wires, electronics)
Resists corrosion (plumbing)
Is easy to shape (tools, coins, machinery)
Deficiency & excess
Too little copper → fatigue, weak immunity, anemia
Too much copper → can be toxic, causing stomach issues or liver problems
Simple takeaway
Copper is small in amount but big in impact—your body needs it to function properly, and the world uses it to keep electricity and infrastructure running.