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.
(44) Among the evidence they cite: 1  Vitamin D levels are lowest in the winter months. 2  The active form of vitamin D tempers the damaging inflammatory response of some white blood cells, while it also boosts immune cellsâ production of microbe-fighting proteins.