latestSeptember 26, 2023

'Iodine Patch Test' Unreliable as Deficiency Indicator

DEAR DR. BLONZ: I have no thyroid problems, but during a recent lecture on iodine, the presenter described a simple test to determine if you are deficient. It involved buying some iodine antiseptic an... more

September 19, 2023

Nutrients Affected More by Quality, Variety Than Location

DEAR DR. BLONZ: I keep reading about "buying locally." I can see the good in that it would involve fewer resources, but it seems that if you buy all your food from your area, you wind up with the nutr... more

September 12, 2023

Daily Vitamins Can Supplement a Healthful Diet

DEAR DR. BLONZ: A recent magazine article suggested that daily vitamins aren't necessary for adults over 65. Do you agree? -- T.G.... more

September 05, 2023

Sea Salt Purity Standards Ensure Safe Products

DEAR DR. BLONZ: On the subject of sea salts, I am less concerned about contaminants in Himalayan sea salt because it is 3 million years old. However, I am skeptical of, and would not knowingly use, se... more

August 29, 2023

Mineral Absorption Efficiency; Water Toxicity

DEAR DR. BLONZ: I have a question about minerals and absorption. Let's say that our body can only absorb 50% of the minerals in a supplement, and that supplement label shows it supplies 100% of the RD... more

August 22, 2023

Flavors Come From Distinct Combinations of Chemicals

DEAR DR. BLONZ: I remain confused as to why organic and holistic food makers don't use flavors from the food that is the origin of that flavor, such as using the compound in real strawberries to flavo... more

August 15, 2023

Almond 'Milk' Nutritional Profile Different From Nuts

DEAR DR. BLONZ: I am puzzled about the accuracy of nutrition labels on some products, particularly about calories. One example is the calories listed for almond milk. Almonds are so high in calories, ... more

August 08, 2023

Math Doesn't Bear Out Weight Loss 'Miracle Ice Hack'

DEAR DR. BLONZ: I am hoping for your take on this "miracle ice hack" that says we lose body weight when we drink ice water, because the body has to use its calories to bring the water up to body tempe... more

August 01, 2023

Beware Social Media's Celtic Sea Salt Claims

DEAR DR. BLONZ: Tell me more about Celtic sea salt, promoted all over social media for a number of health benefits. These include alkalizing the body, balancing blood sugar, eliminating mucus buildup ... more

July 25, 2023

Ask Fish Suppliers For Information on Product Sources

DEAR DR. BLONZ: What are your thoughts about farmed salmon, and how color additives are used to make it look like wild salmon? Do you have issues with farmed fish? -- M.C., Hayward, California... more

July 18, 2023

Sodium, Mineral Levels in Water Vary Geographically

DEAR DR. BLONZ: We just moved to a "hard-water" area that relies on a water softener to keep appliances from getting over-mineralized. Do I need to bypass softened cold water for drinking? How much so... more

July 11, 2023

Today's Produce as Nutritionally Sound as Yesterday's

DEAR DR. BLONZ: I keep seeing messages that foods are now mineral-deficient, and we need supplements to prevent deficiencies. Which minerals are currently believed to be essential for good health? Are... more

July 04, 2023

Nutrient Requirements Increase Before and During Pregnancy

DEAR DR. BLONZ: Please explain the change in nutrient demand, and how the kidneys change, during pregnancy. -- P.O., Arlington Heights, Illinois... more

June 27, 2023

'Fat-Freezing' Procedures Carry Risks

DEAR DR. BLONZ: My favorite catalog advertises a "fat freezer" to reshape your body by destroying and dissolving fat cells. You apply fat-freezing pads on your problem area and select a 30- or 60-minu... more

June 20, 2023

Raw Foods: No 'Special Enzymatic Powers' Here

DEAR DR. BLONZ: Is it true that raw foods still have their enzymes intact, and that when we eat raw foods, the body uses those enzymes to aid digestion? If so, does this mean that our body doesn't nee... more

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