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.
With almost three-quarters of adults and teens in the US suffering from Vitamin D deficiency, thatâs cause for concern. Recently, I found out first hand just why Vitamin D is so important. I went to my doctor complaining of low energy, mood swings, and brittle hair expecting to hear the usual âstress lessâ pep-talk. Instead, she suggested checking my Vitamin D levels. I was sceptical. Surely all those symptoms couldnât be explained by my strained relationship with the sun.