Medical Ethics

I had an abortion years ago. I did it to avoid shame, but instead I am riddled with guilt. Am I condemned to a life of guilty feelings?

How does Jewish law approach this topic? What are the expectations, and in what circumstances can confidentiality be overridden?

The patient adamantly refuses treatment, preferring to die. Would halachah sanction his request?

A patient has advanced metastatic cancer and the doctors believe she will succumb. There is one new experimental treatment which may possibly reverse the disease, but the treatment is dangerous, and if it does not succeed it will kill her.

We will start off with the question of non-kosher ingredients and work our way to vaccine made with fetal tissue.