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.
An allergic reaction to almonds can cause a variety of symptoms, depending on the severity of the allergy. Mild almond allergy symptoms may include watery eyes, a slight rash, or nasal congestion. More serious signs of an allergy may involve itching, hives, or difficulty breathing.