On July 31, 2014, scientists reported details of the evolution of birds from other theropod dinosaurs. Among the features linking theropod dinosaurs to birds are a furcula (wishbone), air-filled bones, brooding of the eggs, and (in coelurosaurs, at least) feathers.
Vitamin D Deficiency. People who are vitamin D-deficient can suffer some adverse effects, such as being more prone to certain cancers and possibly being affected by depression or other mood disorders, according to studies reported by MayoClinic.com.
Specific symptoms related to vitamin D deficiency include: 1  Muscle weakness. 2  Joint aches and discomfort. 3  High blood pressure. 4  Inability to concentrate or focus. 5  Urinary incontinence, bladder issues. 6  Constipation. 7  Headaches. 8  Cold/flu, immune system decline. 9  Mood disorders.