Learning a foreign language is the ultimate brain booster.
Language literally re-writes and re-wires the brain. More than any other area of learning, the process of learning a language creates more synapses in the brain and dramatically increases the density of the grey matter of the brain. These are powerful changes that make a lifetime of difference.
The physical changes in the brain manifest in important intellectual developments:
The flow-on effect of learning a language impacts on virtually every area of life: