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The pursuit of better health—particularly among the aging baby boomer population—has resulted in a growing awareness about the relationship between diet and well-being. People are living longer, and are actively seeking treatments and embracing lifestyle changes in order to enhance their lifespans, requiring improved nutrition, exercise and stress management. This ideology has also rubbed off on many of the members of the younger generations who have become more nutrition-savvy due to the explosion of information available in the media, particularly on the Internet. The preventive strategies of anti-aging are being expanded and even exploited by the food industry with the promotion of nutraceuticals and antioxidants, such as the inclusion of botanicals and green tea in foods. Even the cosmetics industry has begun including these substances in skin care product formulations. The belief is that these ingredients can penetrate the skin topically in order to nourish and prevent skin conditions. “Probiotics” is currently a buzzword in nutrition and anti-aging that is being heavily promoted by the food industry. Their health benefits are under intensive research, but most people are unclear about what they are, as well as the benefits of ingesting and applying them. Skin care professionals need to become knowledgeable about how probiotics affect a person’s health and complexion.
The decline of health during the aging process results in many people taking some form of drug or medication. The immune system is often significantly affected by these drugs, making the human body more susceptible to infections. Heavy medications, especially antibiotics, can destroy the microflora that grows along the gastrointestinal (GI) tract, particularly in the large intestine. In the spa, clients arrive daily with clogged, congested and unhealthy complexions. Most of these problems can be directly attributed to improper nutrition, indigestion and dietary intake, particularly acne and rosacea. A more holistic approach to treating the skin needs to be taken. Topical treatments, such as facials and body services, cannot alleviate certain skin conditions that are linked to deeper internal problems.
Macronutrients—carbohydrates, proteins and fats—are broken down by enzymatic action into smaller molecules, starting in the mouth and stomach and ending in the small intestine. The residue of digestion passes into the colon of the large intestine where water and essential minerals are reabsorbed, leaving the residue to be stored until it leaves the body in the form of feces. The waste matter consists of water, various gases and toxic wastes and, if it is not removed from the body regularly, the body becomes overladen with toxins. A strong immune system is therefore contingent on a healthy gut. The human colon contains approximately 500 different types of bacteria and, although most of them are harmless, some are beneficial with each strain of bacteria conferring different health benefits. The main beneficial bacteria are bifidobacteria and lactobaccilli. However, bacteria introduced into the body through improper diet, antibiotics, stress and other lifestyle factors are pathogenic and threaten the body’s health. It is important to maintain the proper balance of good and bad bacteria at all times in order to preserve a healthy digestive tract and strong immune system because a great number of microorganisms are lost routinely through daily elimination.
The body faces daily challenges in order to protect and maintain the physical lining of the intestine. In order to keep a healthy gut, the good bacteria, known as lactic acid-producing bacteria, should be increased while keeping the number of potential pathogenic bacteria low. Eating foods containing probiotics—or healthy bacteria—can help overcome this imbalance, and protect the intestinal flora from being reduced or destroyed.
The World Health Organization (WHO) defines probiotics as “live microorganisms which, when administered in adequate amounts, confer health benefits on the ‘host’ (GI tract) in the human body.” Both prebiotics and probiotics are natural components available in foods or supplements. Historically, probiotics have been cultured from dairy products, such as certain yogurts. Prebiotics, when taken in the diet simultaneously with probiotics, help feed the probiotics, thus accelerating their growth; this is a symbiotic relationship. Symbiotic foods have been used in Japan and Europe for a long time, but only recently have made press in nutritional news in the United States.