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.
Low blood levels of vitamin D have been linked to depression, for example, and the fatigue and listlessness of depression can lead to inactivity which can, in turn, contribute to weight gain. Vitamin D deficiencies have also been linked to poor blood-sugar control in the body.