Life Expectancy/Global Health Equity/Vulnerability of Older People

Need help with discussion questions 200-250 words max each. (not feeling well and just want to get it done...)...theres 3 separate questions.. 1. Life Expectancy What are some of the reasons why life expectancy and good health continue to increase in some parts of the world and fail to improve in others? What best practices can be applied to those areas of the world failing to gain improvements in life expectancy and good health? 2. Global Health Equity How can public sector leadership and the private sector collaborate to contribute to global health equity? 3. Vulnerability of Older People Discuss the vulnerability of older people in times of social and economic crisis. Are they really any more vulnerable than other sectors of the population during a crisis?