Ask the Experts

Q. Our daughter-in-law wont give her children cows milk because she read a book...

Q. Our daughter-in-law wont give her children cows milk because she read a book where it says the acid in milk leaches calcium from your bones. Is there really any cause for concern about this?

Q. Do powdered green-tea beverage mixes contain any of the beneficial compounds found in...

Q. Do powdered green-tea beverage mixes contain any of the beneficial compounds found in brewed green tea?

Q. Ive seen media reports about the negative effects of protein, and yet others...

Q. Ive seen media reports about the negative effects of protein, and yet others that recommend protein powders, such as those made with whey, which I use. Is the problem with animal protein in general or with the saturated fat that comes with the protein in so many foods? Is whey protein OK?

Q.Does drinking almond milk provide the same health benefits as consuming the actual nut?

Q.Does drinking almond milk provide the same health benefits as consuming the actual nut?

Q. After many years of digestive problems, I decided to go gluten-free and have...

Q. After many years of digestive problems, I decided to go gluten-free and have felt much better. Does this mean I need to go gluten-free for the rest of my life? Is there any diagnostic test other than if you feel better, stay gluten-free?

Q. I try to avoid foods with hydrogenated in the ingredients, knowing this refers...

Q. I try to avoid foods with hydrogenated in the ingredients, knowing this refers to trans fats. But what about autolyzed (as in autolyzed yeast extract) or hydrolyzed (as in hydrolyzed vegetable protein)? Should these also be avoided?

Q. Does including calcium improve absorption of Vitamin D? I eat sardines two to...

Q. Does including calcium improve absorption of Vitamin D? I eat sardines two to three times a week, and wonder if including a calcium supplement at the same time would be a wise move? (Im middle-aged and averagely active with no known deficiencies in either vitamin.)

Q. Are dried fruits as nutritious as fresh, canned or frozen?

Q. Are dried fruits as nutritious as fresh, canned or frozen?

Is Celery Powder Bad for You?

Celery, and several other common vegetables (for example, beets, arugula lettuce) naturally contain high levels of sodium nitrate. Processed meats usually have sodium nitrate added to them to help cure the meat, and there is a theory going back some decades that it is the sodium nitrate in processed meats that conveys an increased risk of cancer (this concept remains a theory, and has never been proven).

Q. What are the pros and cons of traditional modes of making yogurt, especially...

Q. What are the pros and cons of traditional modes of making yogurt, especially Greek yogurt?