A simple definition: A web service is a function that can be accessed by other programs over the web (Http). To clarify a bit, when you create a website in PHP that outputs HTML its target is the browser and by extension the human being reading the page in the browser.
Although a lack of dietary iodine is the main cause of goiter in many parts of the world, this is not often the case in countries where iodine is routinely added to table salt and other foods. 1  Graves' disease. 2  Goiter can sometimes occur when your thyroid gland produces too much thyroid hormone (hyperthyroidism). Goiter can sometimes occur when your thyroid gland produces too much thyroid hormone (hyperthyroidism). 2  In Graves' disease, antibodies produced by your immune system mistakenly attack your thyroid gland, causing it to produce excess thyroxine.
1 2 diseases that are common. 2  2 diseases that are uncommon. 3  1 disease that is rare. 4  7 diseases that are very rare. 5  389 diseases without any prevalence information. 6  The following drugs, medications, substances or toxins may possibly cause Birth defects as a side effect.he following causes of Birth defects are diseases or medical conditions that affect more than 10 million people in the USA: 1  Diabetes-birth defects. 2  Genetic defect. 3  Obesity. 4  Toxoplasmosis.