Sometimes these diseases develop gradually over time. Some children with interstitial lung disease have other medical conditions such as heart disease, joint disease (arthritis), blood disorders such as sickle cell anemia, cancer, or chronic inflammatory bowel disease (such as Crohnâs or Ulcerative Colitis).
Peripheral neuropathy. I was diagnosed with Parkinson's one year ago. In December started having severe pain in my left leg. My primary care doctor just ordered a nerve study which confirms peripheral neuropathy.
The cause of Parkinson's disease is unknown, but several factors appear to play a role, including: 1  Your genes. Researchers have identified specific genetic mutations that can cause Parkinson's disease, but these are uncommon except in rare cases with many family members affected by Parkinson's disease. 2  Environmental triggers.