Tip

Moving the mouse cursor over the top of the page will display the menu bar.

Tip

This page contains media that is intended to start playback automatically on opening. This may include sound. Your browser is blocking automated playback. Please click here to start media.

• contents
  • Preventing mental illnesses by keeping the mind active
  • Henning Kristoffer Borgen
• abstract
  Instructional video on how the Penta-Puzzle can help people combat mental illnesses by helping keep the mind active
• Henning Kristoffer Borgen - Preventing mental illnesses by regular mental exercise - 2021
• Meta
• Comments
• Terms