Study has shown that Religion could help patients with life threatening illnesses by helping them cope with their conditions. Thus improving their mental and physical health. Religion could even help patients with chronic disabilities. Read more about this article.
I agree with the statement to a certain extent. I had seen a dying friend who was a very devout Christian fighting with his illness. He died very peacefully. His illness caused him a lot of pain and took him suddenly ending his short life. His spirit lingers on in our minds. It could be due to his religion that taught him to fight till the very last moment. Never give up.
However, we have also witness examples of how extreme religious views can cause one to go crazy. A very famous Hollywood star. I'm not mentioning HIS name!