| Substances | Resulting Disease |
| Uric acid | Gout |
| Iron | Hemochromatosis |
| Copper | Wilson’s disease |
| Hormones |
|
| Thyroid | Thyrotoxicosis |
| Growth Hormone | Acromegaly |
| Cortisol | Cushing’s disease |
| Infectious agents |
|
| Hepatitis C virus | Hepatitis C |
| Chickenpox virus | Shingles |