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.
Peanut allergy signs and symptoms can include: 1  Runny nose. 2  Skin reactions, such as hives, redness or swelling. 3  Itching or tingling in or around the mouth and throat. 4  Digestive problems, such as diarrhea, stomach cramps, nausea or vomiting.