Allergic response produce histamines. These histamines will act on different areas of the body (eyes, throat, nose, gastrointestinal tract, skin or lungs) to produce symptoms of an allergic reaction. The allergic response is not limited to a certain amount of exposure. If the body is exposed to the allergen multiple times the immune system will react every time the allergen is present. The reason why people get allergies is not known. The allergens are not passed down through generations. It is believed if parents have allergies the child is more likely to be allergic to the same allergens. Some common symptoms include
Substance over form revenue recognition, sale and purchase agreements, etc. The key point of the concept is that a transaction should not be recorded in such a manner as to hide the true intent of the transaction, which would mislead the readers of a company's financial statements. There is widespread use of substance over form concept in accounting. Following are examples of the application of the concept in the International Financial Reporting Standards (IFRS). A lease might not transfer ownership of the leased property to the lessee. In some circumstances, the lessee might nevertheless be required to record the leased item as an