What sort of life quality?Is it for the environment or human health?

Question: What sort of life quality?Is it for the environment or human health?
- Keywords:
  environment,
  health,
  life
Asked by Sarah007 to S. S. on 7 Mar 2019.
- S S answered on 7 Mar 2019:
  
  it is regarding health .. to improve life by curing the disease which are normally difficult for the drs to treat it ..

Question: What sort of life quality?Is it for the environment or human health?