Leukemia is a malignant disease that causes the bone marrow to produce abnormal cancerous leukocytes that reduce the production of all types of blood cells.
From first hand experience with others it is incredibly painful to deal with when seeing someone you love suffer from this , likewise fans of WWE and those close to Roman Reigns are probably saddened that he has to give up his title due to this torturous disease. That his career has to come to a pause in order for him to fight for his life
If you are talking about food as in "I really like this food but don't want to eat a lot of it" then measuring how much you are eating and seeing how much the sugar and fat content there is may help you adapt so you can eat that food without worry.
safety because she chose a new route because she didn't feel comfortable
Vegetarian? I don't really know what you meant by that.
Because they are easier to obtain (i.e. you don't need a script from the doctor to get them, you can go and buy them freely) and in some cases can give you the same high as street and prescription drugs