If you want to increase your IQ, which is basically an intelligence test, there are specific steps you can take. To increase your IQ level, you need to read anything and everything - and there’s more.

Sources:

Music Training Improves Verbal Memory
https://www.nature.com/articles/24075...

Musical Training Shapes Structural Brain Development
https://www.jneurosci.org/content/29/...

Learning to Make Music Enhances Spatial Reasoning
https://www.jstor.org/stable/3333643?...

Ways to Increase Your IQ
https://www.success.com/5-smart-ways-...

Science Based Ways to Raise Your IQ in 30 Days or Less
https://www.inc.com/melanie-curtin/7-...

Growth of Language-related Brain Areas
https://www.sciencedirect.com/science...

Cardiovascular fitness Associated with Cognition
https://www.ncbi.nlm.nih.gov/pmc/arti...

Thanks to Tristan Reed (writing), Troy W. Hudson (VO), for helping to create this video!
For Troy:    / troywhudson  
Music from Bensound.com