Health is more important than anything else.

His life changed completely after he suffered from a severe illness.

This pathogen is very dangerous to humans.

What is this cause of the disease?

How does this pathogen infect humans?

This world where people live is beautiful, and sometimes harsh.

This old document details the lifestyle of humans.

He was diagnosed with glycogenosis.

Nouns form the main part of the sentence.

He treats us as a big friend.