How does the who prevent diseases and protect patients?

They help and work with over 190+ Nations to combat diseases as well as making sure mothers and children get the correct health needed to survive and thrive (such as water and food conditions).

Major sources of stress, such as a death or divorce, problems in family relationships, job loss, school, and substance abuse, can trigger or aggravate some mental disorders in some people. but not everyone who goes through those things develops a mental illness