Conditions like fluid imbalance or local swelling that lead to puffy or swollen eyelids can cause shadows that make the area under the eyes appear darker. Trauma (a black eye) can cause darkening of the entire eye area. Some people notice that dark circles under the eyes tend to run in families, as well. In most cases, dark circles under the eyes are not a sign of a serious medical condition.
A full-body scanner is a device that detects objects on a person's body for security screening purposes, without physically removing clothes or making physical contact. full-body scanner is a device that detects objects on a person's body for security screening purposes, without physically removing clothes or making physical contact.
In addition to showing the structure of an organ, radionuclide scanning allows the doctor to see how the organ is functioning. A diseased or poorly working organ will appear differently on the scan than will a healthy organ. The information from this test is valuable in diagnosing many diseases, including cancer. Because this test shows internal areas that are not visible on standard X-rays, radionuclide scanning can also help identify problems very early in the progression of a disease.