Forensic scientists are able to use ink chromatography to solve crimes by matching documents or stains found at a crime scene to the marker or pen that belongs to a suspect. Forensic scientists analyze the unknown ink and compare it to writing utensils collected from possible suspects.
Symptoms of Variegate Porphyria The hepatic porphyrias primarily affect the nervous system, resulting in abdominal pain, vomiting, acute neuropathy, seizures, and mental disturbances, including hallucinations, depression, anxiety, and paranoia.
The signs and symptoms of varicose veins include: 1  Large veins that you can see on your skin. 2  Mild swelling of your ankles and feet. 3  Painful, achy, or heavy legs. 4  Throbbing or cramping in your legs. 5  Itchy legs, especially on the lower leg and ankle. 6  This is sometimes incorrectly diagnosed as dry skin.