Doctors use them to check fetal development and movement and to look for signs of birth defects, but it's especially exciting for the parents because it yields the first printed images of their baby and information about its sex.

I am sure most of you are aware by now the importance of maintaining a balance between omega-3 fatty acids and omega-6 fatty acids.

Q: Is there a good product to treat, or even maybe cure, dry macular degeneration?

Acupuncture is probably the one alternative treatment that both mainstream and natural medicine agree on — at least somewhat.

Q: I read your letter the other day about how not getting enough magnesium can make your muscles weaker. But I thought I read something from you awhile back warning about not taking too much magnesium.

A plant once used as a source for blue dye could one day help fight cancer.

Nickel, combined with bromide, can substantially improve psoriasis and in some cases eliminate it all together.

I'm never sure whether to laugh or cry when I hear some mainstream researcher on the news talking about his latest "revolutionary" discovery that a natural treatment works better than a patented pharmaceutical drug.

Q: I’ve had very thick heel calluses for most of my adult life. I’ve tried everything from lotions to scraping to soaking and nothing seems to help.

It should come as no surprise to you that the use of chemical-based merchandise can have dangerous effects on your body.

Q: I often have dandruff in the winter, but lately it 'snows' even in warmer weather! I wash my hair every other day with dandruff shampoo, and I have rinsed with vinegar and even Listerine.

Corn, squash, broccoli, and peas all contain carotenoids, yellow pigments that studies have suggested may reduce the risk of age-related macular degeneration, a leading cause of blindness in older adults.

Q: How can I get beautiful skin naturally without using all of the brand name products?

Unfortunately, though, most of us aren’t getting enough of it. In fact, almost 70 percent of adults in the U.S. get less than the recommended daily allowance of this mineral.

Q: I appreciated your article the other day on how dairy products can contribute to body odor: I cut out dairy long ago and feel much healthier for it.

Can two apples a day keep Alzheimer's at bay? The lead researcher of a study on the effect of apples on Alzheimer's disease thinks so.

Q: Are there any alternative remedies to get rid of my constant migraines?

Most of us go to great lengths to make sure we don't smell bad: Between the mouthwash, toothpaste, perfume, cologne, body lotion, shower gel, and deodorant, it's a wonder any of us even have room in our medicine cabinets for the bottles of vitamins we need to be taking.

Q: The other day I saw an ad for vitamins made by Oil of Olay. Are these any better for my skin than regular vitamins?

Separate studies have reported that exercise and supplementing with curry and onion extracts are beneficial in the fight against colon cancer.

Q: My pregnant daughter has extreme nausea and vomiting. Can you recommend something for nausea and morning sickness?

Natural medicines' best and brightest (including myself!) are being forced out of business, right as you read these words. It's an utter outrage!

I've mentioned before about chromium's ability to regulate blood sugar and lower heart disease risk for those with adult-onset diabetes.

Q: Is there anything that I can do to relieve the discomfort of a urinary tract infection?

Something causes autism-whether it’s a genetic factor or environmental one, there must be an underlying reason for each case. But since those underlying causes are all unknown, the disease is virtually impossible to treat. That’s why the research published this past May is so exciting: More evidence is pointing to the link between autism and heavy metal toxicity-particularly mercury.