<prompt> Translate the following text to EnglishKwa sababu matumizi ya dawa za kulevya pia ni suala muhimu miongoni mwa wagonjwa wa ED, alifikiri kuchanganya utafiti wa pombe na dawa za kulevya katika ED inaweza kusababisha dola zaidi za utafiti.  <response>: Because drug use is also an important issue among ED patients, he thought combining alcohol and drug research in EDs could lead to more research dollars. 