<prompt> Translate the following text to EnglishKwa mfano, utafiti wa muda mrefu wa cohorter unaonyesha kwamba viwango vya juu vya hatari ya vifo vya watu huongezeka kwa asilimia kubwa EPA-SAB-COUNCIL-ADV-99-005.  <response>: That panel recommended use of long-term prospective cohort studies in estimating mortality risk reduction EPA-SAB-COUNCIL-ADV-99-005, 1999. 