A woman comes to you, a psychiatrist, complaining of being depressed, tired and irritable. She also has frequent headaches. Lately she has noticed some numbness, tingling in her hands and feet, and muscles weakness that makes walking difficult. She also has an odd lesson, but thinks her general depression makes her more susceptible to injury. This woman has been taking high does supplements of certain b vitamins because she has been told they will help with her PMS. What vitamin is she deficient in? What is the toxic level?

The return of the wolf to yellowstone national park will probably affect the bird population to some degree, not significantly. while wolves will hunt birds when necessary, they prefer to hunt larger prey. the bird population will most likely only be affected when hunting is scarce for the wolves. birds of prey will also probably not be affected as much as other birds who spend more time on the ground hunting for food as the tend to spend more time in the air or in trees since they do not need to stay on the ground for long due to the nature of the way they hunt.