Pricey Dr. Blonz: Many “hair vitamin” merchandise declare that amino acids are good in your hair, and I want to take them for that reason. However I’ve additionally heard that amino acids trigger you to achieve weight. Is that this true? I don’t want to achieve weight however would love the additional protein for my hair. — J.G., Dayton, Ohio
Pricey J.G.: Amino acids, the element constructing blocks of protein, haven’t any distinctive potential to trigger weight acquire. They’ve a caloric worth much like carbohydrates. Our physique will burn (metabolize) amino acids for vitality in occasions of want, and it modifies them into fat when there’s extra.
Hair is made up of keratin: a structural, fibrous kind of protein. Many hair merchandise are protein-based — each these taken internally and people used externally (topically). Nutrient deficiencies will be mirrored in our hair’s well being, noticed by way of its development and construction. A protein deficiency can have an effect on hair high quality, however there’s little proof that taking in additional protein than the physique wants leads to healthier-looking locks.
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Seek the advice of with a educated hairstyling skilled, as any externally utilized merchandise and coverings, which she or he can suggest, will play a major position in your hair’s look and well being. Additionally at play are environmental elements, together with ultraviolet radiation, smoking and air air pollution.
Pricey Dr. Blonz: In an natural gardening journal, I learn that when carrots are pulled from the bottom, it’s best to interrupt off the tops as quickly as doable. It is because the plant will proceed to tug vitamins as much as the tops/greens, and the basis loses them. Is that this correct? — L.L., Dallas
Pricey L.L.: There are a few points right here. The primary is wanting to search out recent produce, and the second shouldn’t be wanting carrot tops left on for an prolonged time period.
As I see it, healthy-looking tops on a carrot point out a freshly picked product. They’re often iced and rushed to market, in any other case the tops will wilt. Discovering a bunch of fresh-looking carrots with greens, then taking the tops off your self, will up the freshness odds — in contrast with purchasing for carrots with out tops, the place you haven’t any concept how lengthy they’ve been round.
Ed Blonz, Ph.D., is a vitamin scientist and an assistant scientific professor on the College of California, San Francisco. He’s the creator of the digital guide “The Wellness Grocery store Shopping for Information” (2012), which can also be out there as a free digital useful resource at blonz.com/guide.
Ship inquiries to: “On Diet,” Ed Blonz, c/o Andrews McMeel Syndication, 1130 Walnut St., Kansas Metropolis, MO, 64106. Ship e-mail inquiries to questions@blonz.com.