It helps with the optic nerve, if you give me options i can help answer. Sorry if I didnt help :)
Pollution is the biggest impact as well as deforestation
The heart of a lazy person pumps blood less efficiently than an athlete who has trained and prepared to achieve a high performance, this can be understood with the example of football players who will play in other countries that have a higher altitude than the country of origin and has to go before to get used to the rarer air
