Explain the challenges scientists face with mutating viruses and how they are trying to solve the *answer*scientists are creating vaccinations that prevent people from getting bird flu. if the virus mutates, a new vaccine needs to be made. the vaccine needs to be tested, which can be dangerous. it also takes a long time for scientists to know whether the vaccine works.

Can someone give me one specific health problem (within unhealthy eating) and explain it. !

Wanting to know the rules and the right person to ask for are characteristics of the safety reassurances required by preschoolers. infants. school-age children. toddlers.

The affordable care act has expanded mental health and substance abuse benefits to 62 million people and is an addition to the mental health parity act of 2008. the changes and additions require mental health coverage in small group and individual plans where people were not previously covered. what is the biggest benefit of these changes? what major challenges are still associated with mental health coverage? explain your reasoning.