Assignment 6

Due 4/4 (MWF), 4/5 (T&TH) 4/7 (TH)                                                         

Q1. Nancy, who has successfully developed muscles by working out and eating a well-balanced diet, is now studying B vitamins.  

Q1-1. Why is Pellagra still found in some parts of Africa and Asia where corn is the staple food?

Q1-2. Some adults, especially over 50 years, may develop vitamin B₁₂ deficiency.  What are possible reasons?

Q1-3. Nancy has recently been told by her vegan friend that people who stop eating foods containing vitamin B₁₂ may take several years to develop deficiency symptoms. Is her friend correct? Why or why not?

Q2  Mary lives in a small village where animal products are difficult to obtain.  She is pregnant. 

Q2-1. Describe how iron is absorbed, transported and stored in her body.

OVER

Q2-2.  How does the absorption of non-heme iron in her foods become affected by 1) orange juice, 2) tea and 3) milk in her breakfast?

Q.2-3. Mary has recently read an article that iron may be associated with heart disease, which concerns her.  What would you suggest to her?

Q3.  Choose one mineral that is interesting to you, and research it.  Please describe things you didn’t know before.