1 Two-part, three-part and four-part fractures can occur. 2  The fractures are then classified by their degree of displacement and angulation. 3  Surgical neck fractures are the most common type of proximal humeral fracture.
About 1.8 million people in the United States experience allergies to tree nuts, the Food Allergy and Anaphylaxis Network reports. Like other tree nuts, walnuts can cause a range of unpleasant reactions.
Symptoms include a runny and itchy nose, sneezing, postnasal drip and nasal congestion (blockage). A child with allergies may also have itchy, watery, red eyes and chronic ear problems. Even though itâs commonly known as âhay fever,â allergic rhinitis isnât triggered by hay and doesnât cause fever.