DEAR DR. BLONZ: I keep seeing a video ad that says we should not ever drink spring water, carbonated water or even purified water, because it is all less effective than the alkalized water made fresh ... more

DEAR DR. BLONZ: I drink decaffeinated coffee, but have been hearing about dangers from the methods used to remove the caffeine. Is organic decaf any safer? -- S.A., San Diego... more

DEAR DR. BLONZ: Please provide more information about the xanthan gum and cellulose gel that I find in my fat-free salad dressings. I tend to eat a lot of salad, and the dressings taste fine, but is t... more

DEAR DR. BLONZ: I wanted some information on the advantages of liquid colloidal mineral supplements. My concerns are about the risk of osteoporosis, which runs in my family, and I would be happy to sw... more

DEAR DR. BLONZ: I was told to take a calcium supplement, but the one I purchased says to consult your doctor if you are taking estrogen, which I am. Why is that? -- J.D., Anderson, South Carolina... more

DEAR DR. BLONZ: As temperatures begin to rise, I turn to cooking outside on the grill. Every year I get reminded of the potential dangers of barbecuing and wanted some input about the formation of car... more

DEAR DR. BLONZ: I continue to hear that the vitamins in foods are superior to those in dietary supplements, but supplement companies claim that theirs are “whole food” supplements -- the same as what ... more

DEAR DR. BLONZ: I enjoy seafood of all types, but I am concerned that some are high in cholesterol. One of the attractions of seafood is that it is generally low in saturated fat, and heart disease ru... more

DEAR DR. BLONZ: I have celiac disease, so I’m well aware that food can harm you, but I get a lot of unsolicited advice. I hear that sugar feeds inflammation and that dairy products make our bodies pro... more

DEAR DR. BLONZ: My brother and I did genetic tests after precancerous polyps were found during his routine colonoscopy. (Our father died of colon cancer.) Both our genetic tests came back negative for... more

DEAR DR. BLONZ: At what age is a person considered an adult as regards nutrient requirements? My daughter is 14, and I want her to take a supplement because of her sketchy eating habits. I developed o... more

DEAR DR. BLONZ: Much of the advice I have received about managing my digestive issues has mentioned the need to avoid certain food combinations. This advice is based on the logic that “bad” combinatio... more

DEAR DR. BLONZ: What are your thoughts about personal qualities that might determine who will be successful at losing weight? -- S.O., Los Angeles... more