To be sure you know as well, we have written a summary of below video from National Geographic:

Communication Networks: Mushrooms form vast underground networks (mycelium) that allow trees and plants to communicate and share nutrients.

Environmental Impact: Mushrooms can break down pollutants and toxins in the environment, aiding in bioremediation.

Medical Uses: Compounds in mushrooms have potential health benefits, including anti-cancer properties and supporting mentalhealth through substances like psilocybin.

Nutritional Benefits: Mushrooms are rich in vitamins, minerals, and antioxidants, contributing significantly to human health.

Building Materials: Mycelium can be used to create sustainable, biodegradable building materials like bricks and insulation, which are strong, fire-resistant, and eco-friendly.

Source: National Geographic