Question

1) Zinc is a trace mineral that has hundreds of important functions, including a role in Vitamin A metabolism. Certain food sources are better absorbed than others. Deficiency is not uncommon, depending on dietary lifestyle. Fluoride is a trace mineral that integrates with calcium and phosphorus in bones and teeth. In some areas it is added to the water supply to prevent tooth decay in kids, and it is added to most toothpastes. There are two ways it is utilized as an additive: Ingestion and topical application. Toxicity issues have been identified and studies are still ongoing to determine whether fluoride is safe to take internally. Choose either mineral as a topic for your main post. If you choose zinc, discuss the reasons and ramifications of inadequate intake as well as potential toxicity issues, especially from supplements. If you choose fluoride, investigate the side effects and discuss risk vs. benefit of fluoride supplementation. Then reply to two of your classmates after your main post is submitted. One post must address the mineral that you did not choose. Include at least one credible reference

2)

The obesity epidemic is expanding (no pun intended). Large sums of money are going to support the diet and fitness industry. Yet, all we have to do is look around to know that the prevalence of overweight, and risk factors such as Type 2 Diabetes are increasing by the minute. In Lectures 10 and 11 we learn the basics of energy balance, Calorie expenditure, metabolism, body composition, and the different exercise modalities. Choose one of the following to start your thread, and reply to two of your classmates who chose a different topic. Include personal experience if appropriate. As usual, write in your own words, include a credible reference to justify your response, and feel free to post additional replies after your requirements are met.

Does severely restricting Calories, carbohydrate or fat lead to long term weight loss?

The difference between weight loss and fat loss, Distinguish BMI from body composition. Include the effect of body composition on BMR.

The effect of strength training vs. cardio-respiratory training on body composition and BMR?

3)

This last forum is an open discussion in that you can choose one of the suggested topics or add your own, as long as it addresses organic food and/or GMO. Follow the same format as you did with the others - Main post followed by 2 replies on different days. Include a reference for your main post. Your two required replies should address classmates who chose a different angle for their main post than you did, then additional replies are welcome.

Suggested topics for your main post:

Do you think GMOs should be restricted or banned as they are in most of Europe and other parts of the world? Why or why not? Refer to film and also lecture 12. You can address economic and/or health concerns as you wish.

What are the ways in which you would identify the presence GMO in food, as labeling is not required for them. For some foods, all you have to do is look for ingredients that question 1 asked for.

There are certain labeling techniques that can identify packaged products that are reasonably sure to be free of GMO. Describe. You can do an internet search - cite reference.

How can you identify fresh produce that is organically grown?

Why are there few ectomorphs around, relative to endomorphs?

Answer 1