***This assignment has 2 parts: one for lactose intolerance and one for sugar substitutes.  

I have found both the WebMD and NIDDK sites to be good reference sources for just about any health topic that might interest you. The information presented is not technical, but rather it is written with more of a community outreach approach in mind, I think.   On with the assignment...

For PART 1, we'll look up 3 articles/slideshows about lactose intolerance.   
1) What is Lactose Intolerance? 
Read "Lactose Intolerance" (https://www.niddk.nih.gov/health-information/digestive-diseases/lactose-intolerance).  (The links in this assignment will open in new windows so you won't lose this page.)  On this page the info comes up in boxes and to get the info you click on each box. For example, you'll need to click on the Eating, Diet, & Nutrition box to see its info.

2) If you have lactose intolerance, does that mean you can't have any dairy products at all? 
Well, that depends b/c everyone is different. Some can tolerate some dairy, or certain dairy, and and some can't tolerate any dairy at all. However, here are some tips to help figure it out in this slideshow: "Lactose Intolerance: 14 Ways to Still Love Dairy" (https://www.webmd.com/digestive-disorders/ss/slideshow-dairy)

3) What's the connection with osteoporosis? 
For most of us, when we think about how to get more calcium, we think of drinking milk or consuming dairy products. But what if you can't tolerate dairy products? Now read "What People With Lactose Intolerance Need To Know About Osteoporosis" (https://www.bones.nih.gov/health-info/bone/osteoporosis/conditions-behaviors/lactose-intolerance)  (By the way, we'll be learning more about osteoporosis in a later chapter.)

Write a paragraph on what you learned about lactose intolerance. What concerns are there for calcium? Be sure to address some nutritional modifications that can be made to help someone who has lactose intolerance. For example, what kind of non-dairy, calcium-rich foods could a lactose intolerant person eat so they can still get calcium from their diet?
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For PART 2, we'll be looking at 2 readings about sugar substitutes.
1) What are sugar substitutes?
Read in the book about sugar substitutes. See pp.113, 123, & the section in Chp.19 called "Safety and the Use of Sugar" between pp.615-617.
(15th ed=pp.114-115 & 124-126 & Chp.19 pp.?; 14th ed=pp.118-120 & 128-130 & Chp.19 pp.?, 13th ed=pp.113-115 & 124-126 & Chp.19 pp.? ).  
Keep in mind that aspartame is a protein, not a sugar, although its role is to act like a sugar. There are many sugar substitutes that do not add calories and therefore provide many no-calorie or low-calorie alternatives to snacks that contain fat (for example, some hard candies vs. a candy bar). 
-->Note: While some sweeteners may not contribute calories to the food, that doesn't mean the food is calorie-free! Something else in the food could contribute calories.

2) What are the advantages and/or disadvantages of artificial sweeteners?  
Read this online article about the pros and cons of sweeteners: "Artificial sweeteners: Understanding these and other sugar substitutes" (http://www.mayoclinic.org/healthy-living/nutrition-and-healthy-eating/in-depth/artificial-sweeteners/art-20046936)

Write a paragraph on what you learned about sugar substitutes.  Keep in mind that you can find websites for or against the use of sugar substitutes, so it depends on the sources of information you choose to trust. I try to give you objective sites, but I realize that sometimes the links I give you could have a bias in their own way.  The important thing is for you to do your own research and make the best choice for you and your family.  Personally, I don't use sugar substitutes, but that's just me; instead I use real sugar, but in moderation. Let me know in your paragraph what you think. 

Pages are included down below.

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To summarize:  This is a 2-part assignment: 1 part about lactose intolerance (read 3 online articles) and 1 part about sugar substitutes (reading in the book + 1 online article. That means you should be turning in about 1 to 1-1/2 page paper about what you learned.