However, closer examination revealed differences between men and women in two key components of the immune system - T-cells, which protect the body from infection, and B-cells, which secrete antibodies.

BBC: Biological clue to why women live longer than men

They understand the key issue here: things will only get worse: two-thirds recognize that the problems facing the health care system will affect all of us if they're not fixed.

CNN: Borger: Obama's only choice is to speak out