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.
There are other reasons to take it too. In a study with chronic pain patients, vitamin D helped reduce pain, improve quality of life, and increase sleep.(4) Having adequate levels of D may protect against cancer, control inflammation, heart disease, poor mood, and may help regulate the immune system.