For ages, they have been willing to throw down over the merits of serif versus sans-serif typefaces.
Quick Answer. Liver nodules, usually a sign of liver disease, can be caused by certain parasitic or viral infections, immune system abnormalities, cancer and genetic conditions, according to Mayo Clinic. Contributing factors include heavy alcohol or drug use, unprotected sex, obesity, diabetes and exposure to certain chemicals.
What are thyroid nodules? Thyroid nodules are growths or lumps in the thyroid gland in the front of your neck. This gland controls how your body uses energy. Most thyroid nodules are not cancer and do not cause problems. Many don't even need treatment. Sometimes a thyroid nodule can cause problems. Sometimes a nodule can make too much thyroid hormone. When a nodule makes too much hormone, the rest of the gland is suppressed and doesn't work as hard as usual. Most thyroid nodules are not cancerous. But if tests show cancer, surgery will be done to remove the nodule. What causes thyroid nodules? It is not clear what causes thyroid nodules. But people who have been exposed to radiation have a greater chance of getting them. Thyroid nodules are more common as you age. Also, the nodules tend to run in families.