Vaccines are the most cost-effective health care interventions there are. A dollar spent on a childhood vaccination not only helps save a life, but greatly reduces spending on future healthcare.

We had a big controversy in the United States when there was a limited number of dialysis machines. In Seattle, they appointed what they called a 'God committee' to choose who should get it, and that committee was eventually abandoned. Society ended up paying the whole bill for dialysis instead of having people make those decisions.

Patients who are being kept alive by technology and want to end their lives already have a recognized constitutional right to stop any and all medical interventions, from respirators to antibiotics. They do not need physician-assisted suicide or euthanasia.

Having been an oncologist and having cared for scores, if not hundreds, of dying patients, when you don't have a treatment that can shrink the tumor and the patient will die, it's a very difficult conversation. It's emotionally draining.

Vaccines are the most cost-effective health care interventions there are. A dollar spent on a childhood vaccination not only helps save a life, but greatly reduces spending on future healthcare.

The president recognizes that funding global health is good for national security, domestic health and global diplomacy. Consequently, President Obama has steadily increased funding for the President's Emergency Plan for AIDS Relief, or PEPFAR, which was created by President Bush and has strong bipartisan support.

Americans tend to endorse the use of physician-assisted suicide and euthanasia when the question is abstract and hypothetical.