Here's a short article about a scientific study out of the Boston University Medical Center concluding that there is no link between PTSD and the development of cancer later in life. Many anxious folks worry that all the intense stress they experience as a result of their anxiety or panic attacks is somehow toxic to their body and will give them cancer. I know I used to have that thought. While scientific research has shown that longterm stress can cause health problems such as high blood pressure, scientific studies do not indicate a link with cancer. Phew!