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Nutrition Information |
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A Look at Lactose Intolerance
Lactose is the primary carbohydrate in milk. Cow's milk contains 4-5% lactose, whereas human milk contains almost twice that amount. Lactose provides 30-50% of the energy in milk, depending on the fat content (skim vs. homogenized). A number of individuals are affected by lactose in the diet, but there is a difference between intolerance and maldigestion. Lactose maldigestion is "a disorder characterized by reduced digestion of lactose due to the low availability of the enzyme lactase." Lactose intolerance is "the term for gastointestinal symptoms (flatulence, bloating, abdominal pain, diarrhea, and 'rumbling in the bowel') resulting from the consumption of more lactose than can be digested with available lactase." In other words, intolerance refers to the symptoms of the maldigestive disorder caused by an insufficient enzyme required to hydrolyze lactose to galactose and glucose. Genetic defects often cause a deficiency of lactase, as well as injuries to the mucosa lining of the intestines or with age (as we age our enzyme levels decrease). When lactose molecules remain in the intestine undigested, they absorb water and this can cause bloating, discomfort, cramping, diarrhea, and nausea. Bacterial fermentation along the intestinal tract that produces lactic acid and gas is also a characteristic of lactose intolerance. It is estimated that one in three adults suffer from lactose maldigestion and it appears to be inherited in about 80% of the world's population, including most Greeks, Asians, and Africans. Those who suffer from any discomfort after eating or drinking milk products can consume foods labeled lactose free or take an enzyme preparation such as Lact-Aid to aid digestion. Do note, however, that lactose intolerance varies and the amount of lactose allowed in a diet depends on an individual's tolerance. Some people cannot tolerate milk, ice cream, or creamed foods, but they can eat aged cheeses and yogurt (some brands are better tolerated than others) without difficulty. Lactose products include: Grain Products: Breads and muffins made with milk, pancakes, and waffles; cake or cookie mixes, pie crusts made from butter or margarine, French toast, some dry cereals, and biscuits. Fruits and Vegetables: Canned and frozen fruits or vegetables processed with lactose, buttered, creamed, or breaded vegetables. Milk and Milk Products: Milk (dried, evaporated, nonfat, and whole), yogurt, ice cream, sherbet, cheese, custard, puddings, and whey and casein proteins manufactured with lactobacillus/acidophilus culture. Meat and Meat Alternatives: Meats, fish, or poultry creamed or breaded, sausage and other cold cuts containing nonfat-milk solids, some peanut butter, and omelets and souffl�s containing milk. Other: Instant coffees, margarine, dressings, sugar substitutes containing lactose, toffee, chocolate, creamed soups, butter, cream, some cocoas, caramels, chewing gum, some vitamin-mineral supplements, some drugs, peppermint, and butterscotch. Since calcium is a major component of many lactose-containing foods, it is vital that individuals who are lactose-intolerant receive adequate calcium from other foods (in fact, milk is not an ideal source of calcium, as will be discussed in Chapter Seven). These include almonds, brazil nuts, caviar, kelp, canned salmon, canned sardines, shrimp, soybeans, and turnip greens, broccoli, strawberries, and leafy greens. Leafy greens are currently under suspicion as a viable calcium source since greens are now believed to contain certain calcium binding agents that prevent calcium absorption. You may publish this article in your newsletter, on your web site, or other publications, so long as the article's content is not altered and the resource box is included. Add byline and active link. Notification of the use of this article is appreciated, but not required. Brian D. Johnston is the Director of Education and President of the I.A.R.T. fitness certification and education institute. He has written over 12 books and is a contributing author to the Merck Medical Manual. An international lecturer, Mr. Johnston wears many hats in the fitness and health industries, and can be reached at [email protected]. Visit his site at http://www.ExerciseCertification.com for more free articles.
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MORE RESOURCES: Maui Panel Starts Deliberations On Short-Term Rental Phase-Out Honolulu Civil Beat Maui Backs Off Rental Ban As Tourism Stalls Out Beat of Hawaii Five-Star Rentals, One Extraordinary Standard: Siam Commercial Service Delivers Totalprestige Magazine Maui’s vacation rental conversion bill remains in limbo Honolulu Star-Advertiser Maine’s top court tosses dispute over Bar Harbor luxury vacation rental Bangor Daily News Capital One Travel Adds Vacation Rentals — And You Can Earn 5x Miles on Venture Cards Upgraded Points Maui vacation rental bill continues to draw passionate testimony from both sides Hawaii Public Radio Inside The ‘Out-Of-Control’ Debate Over Axing Maui Vacation Rentals Honolulu Civil Beat Maui Gets $1.6B—Can Vacation Rentals Survive What’s Coming? Beat of Hawaii How do short-term vacation rentals affect Hawaiʻi Island's economy? Hawaii Public Radio Here’s Why Honolulu Doesn’t Enforce Law Against Short-Term Rental Companies Honolulu Civil Beat Maui Council hears another 70 testifiers on vacation rental phase-out bill; still more to come Maui Now Plan To Convert Maui Vacation Rentals To Long-Term Housing Delayed Honolulu Civil Beat Aspiring vacation rental hosts in Mission Beach may have a shot at getting a coveted license San Diego Union-Tribune Honolulu Sees Doubling Of Vacation Rental Registrations Under New Rules Honolulu Civil Beat Honolulu Hasn't Fined Airbnb, Vrbo for Illegal Short-Term Rentals Honolulu Civil Beat Study: Maui Should Be Cautious In Phasing Out Vacation Rentals Honolulu Civil Beat Key amendments proposed for vacation rental phase-out bill ahead of Council committee hearing Maui Now Emotions Are High As Maui Considers Phasing Out Short-Term Rentals Honolulu Civil Beat Vacation Rental Study in Goleta Tells More About the Neighbors The Santa Barbara Independent Chase Travel Launches Vacation Home Rentals — What To Know Upgraded Points Fire district wins vacation rental assessment lawsuit Anna Maria Islander Opinion | Airbnb and Vrbo are going downhill like a hippo on a water slide The Washington Post Vrbo offers last minute deals on vacation rentals Short Term Rentals - News Oahu officials encourage people to report illegal vacation rentals spectrumlocalnews.com Maui Council To Take Up Bill Phasing Out Vacation Rentals This Summer Honolulu Civil Beat Board recommends new education programs, property management rules for vacation rentals The Palm Springs Post With housing and economy at stake, Maui County weighs phase-out of 7,000 vacation rentals Hawaii Public Radio Vacation Rentals of the Desert Accused of Owing Property Owners, Renters Over $1 Million NBC Palm Springs Vacation Rentals of the Desert Accused of Owing Millions; Riverside DA Launches Investigation After Public Outcry NBC Palm Springs 20 Unique Airbnbs Ranked: From Treehouses to Shipwreck Stays Good Housekeeping Community invited to briefing about proposed registration process for short-term vacation rentals Big Island Now It's Time to Plan Your Summer Vacation—Here Are 100+ Top Rentals Around the World Condé Nast Traveler How to tell if your Oʻahu vacation rental is legal Hawaii Public Radio Combatting human trafficking: New training, reporting requirements for hotels, vacation rentals WRAL.com Couple who owns Manasota Key vacation rentals welcomes first renters since Hurricanes Helene, Milton FOX 13 Tampa Bay Committee votes 5-0 against couple’s vacation rental request advancing Evanston RoundTable Uncertain Economy Contributes to Slow Summer Rental Bookings The Vineyard Gazette Supreme Court: cities cannot limit vacation rentals based on owner occupancy Idaho Public Television City has no mercy for illegal vacation rental operators Hawaii News Now Santa Cruz County moves to rein in vacation rentals Lookout Santa Cruz Hawaiʻi County Council seeks more oversight with passage of vacation rental bill Hawaii Public Radio Maui Vacation Rental Ban Moves Forward Amid Growing Outrage Beat of Hawaii A `promise to restore balance’: Mayor Bissen makes his case for vacation rental phase-out - Maui Now This Stunning Airbnb Is the Perfect Home Base for McLain State Park Only In Your State Maui mayor's plan to phase out vacation rentals would increase housing but shrink the economy AP News Housing panel looks at new rules for rent-setting algorithms, vacation rentals - Evanston RoundTable Housing panel looks at new rules for rent-setting algorithms, vacation rentals Evanston RoundTable Vacation rentals may face new taxes as WA lawmakers eye housing fix The Center Square Manatee County Commission votes to pursue regulation of short-term vacation rentals Sarasota Herald-Tribune The Best Vacation Rental Travel Insurance for 2025 U.S. News & World Report What to Bring to Make Your Vacation Rental Kitchen Feel More Like Home The New York Times Resources for Vacation Rentals for Springs Protection Alachua County It's Not Your Imagination: Palm Coast Homes Used as Vacation Rentals Increase by 70% in 2 Years, to Over 500 FlaglerLive Everything You Need to Check in Your Vacation Rental Before Unpacking a Single Bag Better Homes & Gardens |
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