Meditation triggers neuroplasticity, restoring your ability to carry on tasks that were previously hard to do.
All yogic practices have been studied and found to be effective at regulating the nervous system and restoring our cognitive functions.
Because of their sheer efficacy, yogic practices have survived 5,000+ years of wars and cultural revolutions and have made their way all over the world.
Many highly successful people, such have prioritized having a meditation practice.