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.
Vitamin D also appears to play a key role in calming the autoimmune reaction by soothing inflammation and contributing to the integrity of the gut lining, according to a study published in the January 2008 issue of the American Journal of Physiology â Gastrointestinal and Liver Physiology.