Is tobiko good for you? Joanne Seattle, Washington

How can I maintain a healthy diet if I'm lactose intolerant?

My daughter is anemic and refuses to take the iron pills her doctor gave her. Are there any iron rich foods that would help her? M. Kesto White Lake, Michigan

For cycling and running, does Siberian ginseng have any benefits for performance? If so, when is the best time to take it before a race? Andrew Guthrie Edmond, Oklahoma

I lost 40 pounds through running, biking, and counting calories. Now I want to maintain my weight but have not kicked the calorie-counting habit. I still record everything I eat. Do you have any advice for kicking the recording habit? Daryl Davis Osceola, Indiana

Are significant nutrients lost when vegetables are cooked in a soup? Dan London, England

I have been diagnosed with an enlarged prostate. Is there anything I can do diet-wise to help reduce the size of my prostate, or to keep it from getting larger? Frank Moline, Illinois

I love your nutrition suggestions, but recently I bece a vegetarian and most of your meals include meat. Can you help me out? Dan Johnson Seattle, Washington

For the active guy with no family history of kidney stones, and no blood or urine indicators suggesting future stones, what would you suggest or recommend to reduce or eliminate the chance of getting kidney stones?

I love to backpack, but I'm overweight. I have difficulty drinking enough fluids throughout the day on a backpacking trip. This results in loss of appetite and general dehydration. What can I do to trick my body into accepting more fluids?

Why do I keep hearing now that soy is bad for me? The Editors Santa Fe, New Mexico

Is a multivitin a day enough, or are there other supplements I should be taking? The Editors Santa Fe, New Mexico

I know muscle burns more calories than fat, but is it really enough to make a difference? The Editors Santa Fe, New Mexico

What produce needs to be washed, and how? The Editors Santa Fe, New Mexico

Is there a nutritional advantage to eating local and in-season? The Editors Santa Fe, New Mexico

When is the most effective time after weight training to take protein? Steven Washington, DC