According to a new study from Harvard, men who supplement with beta-carotene long-term may experience a slower rate of age- related cognitive decline.
Beta-carotene supplementation long-term may delay mental decline In a newly published study, researchers tested the cognitive function of participants in the Physicians' Health Study II (PHSII), a continuation of the Physicians' Health Study (PHS) trial looking at the effects of beta-carotene and other vitamin supplements on chronic disease.
The subjects included participants from the original PHS (started in 1982) and newer recruits from 1998. The researchers tested the general cognition, verbal memory, and category fluency of 5,956 participants, including 4,052 participants from the PHS with a minimum supplementation period of 18 years.
Among the 1,904 newly recruited subjects (average supplementation of 1 year) no differences in cognition were evident whether they took beta-carotene or the placebo. However, among the long-term supplement users from the PHS, the mean global score (average of all tests) was significantly higher in the beta carotene group than in the placebo.
On verbal memory, men receiving long-term beta carotene supplementation also performed significantly better than the placebo group. The potential mechanism for the protective effects could be related to the role of vitamin A and beta-carotene on beta-amyloid protein production in the brain.
The build-up of plaque from beta-amyloid deposits is associated with oxidative stress, cell death, and increased risk of Alzheimer's disease. The study is the first to look at long-term antioxidant supplementation in relation to a decline in cognitive function that occurs naturally with age, and that precedes diseases such as Alzheimer's.
Arch Intern Med. 2007;167(20):2184-2190.
Vitamin A in itself my become toxic in large does especially to pregnant women. Look for a nutritional supplement that contains 100% Beta Carotene and no Vitamin A. Your body converts Beta Carotene into the Vitamin A that you need with no toxic effects.
For information on supplements that contain 100% Beta Carotene go to our website at:
http://www.pamdunwald.com Look at product information and look at the list of nutrients contain in our supplement products.
Pam Dunwald, R.N.
Email: pamdunwald@yahoo.com
Monday, November 19, 2007
Soy Protein for Athletes - Promoting Muscle Mass
Presentation at ISSN Highlights Soy Protein Advantages for Endurance Athletes2007-11-15 - Solae
ST. LOUIS, Nov 15, 2007 /PRNewswire via COMTEX/ -- Dr. Douglas Kalman of Miami Research Associates delivered good news for soy protein and its use for the endurance athlete at the International Society of Sports Nutrition (ISSN) conference on Nov. 10 in Ft. Lauderdale, Fla.
Kalman presented "Whey, Casein, Soy: Why Protein Sources are Different: Applications for Endurance Athletes," which highlighted several direct and comparative studies that examined just how, and if, these varied protein sources can be of benefit to the active adult.
Kalman said soy protein has at least two significant advantages that need to be known.
"While each protein source has its own benefits for metabolism, soy should be better recognized for its quick absorption rates, which means it can enhance muscle and exercise recovery, and its ability to have positive effects whether used in food or powder form," he said.
Kalman's recently peer-reviewed published study, "Effect of protein source and resistance training on body composition and sex hormones," examined the effects of soy and whey in healthy active weightlifting males over a 12-week period. The study found soy protein was just as effective as whey in its ability to help weightlifting males gain muscle. Additional findings noted soy did not have any negative effects on male hormonal levels. The study suggests soy and soy mixed with whey protein had positive effects on male sex hormones.
"Whether you are in a strict exercise regimen or just getting started, soy and other proteins deliver a great source of protein to build muscles," said Dr. Kathy Greaves, Solae Clinical Nutrition Group Lead. "The take home message of Dr. Kalman's presentation is clear: soy protein should be on the athlete's menu plan, and it is a safe, effective dietary protein that has many health-enhancing effects."
Dr. Jose Antonio, the ISSN Conference Chair, said athletes should strongly consider soy protein as a part of their diet. "The Kalman study clearly delineated that the inclusion of soy protein as part of an athlete's nutritional plan is smart for more than just the obvious heart health reasons," Antonio said. "Now, we can state unequivocally that soy protein can have a strong, positive effect on muscle gains for the athlete when used almost daily and ingested after the workout.
J Int Soc Sports Nutr. 2007 Jul 23;4(1):4.
Effect of protein source and resistance training on body composition and sex hormones.
Kalman D, Feldman S, Martinez M, Krieger DR, Tallon MJ.Miami Research Associates, Nutrition/Endocrinology Division, Miami, Florida, USA. dkalman@miamiresearch.com.
ABSTRACT: BACKGROUND: Evidence suggests an inverse relationship between soy protein intake and serum concentrations of male sex hormones. Anecdotal evidence indicates that these alterations in serum sex hormones may attenuate changes in lean body mass following resistance training. However, little empirical data exists regarding the effects of soy and milk-based proteins on circulating androgens and exercise induced body composition changes. METHODS: For 12 weeks 20 subjects were supplemented with 50 g per day of one of four different protein sources (Soy concentrate; Soy isolate; Soy isolate and whey blend, and Whey blend only) in combination with a resistance-training program. Body composition, testosterone, estradiol and sex hormone binding globulin (SHBG) were measured at baseline and week 12. RESULTS: Protein supplementation resulted in a significant increase in lean body mass independent of protein source (0.5 +/- 1.1 and 0.9 +/- 1.4 kg, p = 0.006, p = 0.007). No significant differences were observed between groups for total and free testosterone, SHBG, percentage body fat, BMI or body weight. The Testosterone/Estradiol ratio increased across all groups (+13.4, p = 0.005) and estradiol decreased (p = 0.002). Within group analysis showed significant increases in the Testosterone/Estradiol ratio in soy isolate + whey blend group (+16.3, p = 0.030). Estradiol was significantly lower in the whey blend group (-9.1 +/- 8.7 pg/ml, p = 0.033). CONCLUSION: This investigation shows that 12 week supplementation with soy protein does not decrease serum testosterone or inhibit lean body mass changes in subjects engaged in a resistance exercise program.
For informaton on high quality soy protein powder and shake products visit our website at:
http://www.pamdunwald.com Click on Products/MacroOpimizers for information on shakes, soy protein powder, low glycemic snack and meal replacement bars, antioxidant fruit bars, and much more to assist in your work out recovery meals and pre-performance diet.
For information on diet/food programs for the competing athlete visit: http://www.releasingfat.com You may use the discount code: 111958 for up to a 20% discount on a program.
Another great resource for Sports Nutrition Tips is the largest Elite Sports Facility in Canada: SportsMedBC. A great resource for nutrition and athletes.
http://www.sportmedbc.com/Content/LearningAndResources/Library%20Nutrition%20FactSheets.asp
Pam Dunwald, R.N.
Email: pamdunwald@yahoo.com
Websites: http://www.pamdunwald.com
http://www.bionutrition.org
http://www.releasingfat.com
ST. LOUIS, Nov 15, 2007 /PRNewswire via COMTEX/ -- Dr. Douglas Kalman of Miami Research Associates delivered good news for soy protein and its use for the endurance athlete at the International Society of Sports Nutrition (ISSN) conference on Nov. 10 in Ft. Lauderdale, Fla.
Kalman presented "Whey, Casein, Soy: Why Protein Sources are Different: Applications for Endurance Athletes," which highlighted several direct and comparative studies that examined just how, and if, these varied protein sources can be of benefit to the active adult.
Kalman said soy protein has at least two significant advantages that need to be known.
"While each protein source has its own benefits for metabolism, soy should be better recognized for its quick absorption rates, which means it can enhance muscle and exercise recovery, and its ability to have positive effects whether used in food or powder form," he said.
Kalman's recently peer-reviewed published study, "Effect of protein source and resistance training on body composition and sex hormones," examined the effects of soy and whey in healthy active weightlifting males over a 12-week period. The study found soy protein was just as effective as whey in its ability to help weightlifting males gain muscle. Additional findings noted soy did not have any negative effects on male hormonal levels. The study suggests soy and soy mixed with whey protein had positive effects on male sex hormones.
"Whether you are in a strict exercise regimen or just getting started, soy and other proteins deliver a great source of protein to build muscles," said Dr. Kathy Greaves, Solae Clinical Nutrition Group Lead. "The take home message of Dr. Kalman's presentation is clear: soy protein should be on the athlete's menu plan, and it is a safe, effective dietary protein that has many health-enhancing effects."
Dr. Jose Antonio, the ISSN Conference Chair, said athletes should strongly consider soy protein as a part of their diet. "The Kalman study clearly delineated that the inclusion of soy protein as part of an athlete's nutritional plan is smart for more than just the obvious heart health reasons," Antonio said. "Now, we can state unequivocally that soy protein can have a strong, positive effect on muscle gains for the athlete when used almost daily and ingested after the workout.
J Int Soc Sports Nutr. 2007 Jul 23;4(1):4.
Effect of protein source and resistance training on body composition and sex hormones.
Kalman D, Feldman S, Martinez M, Krieger DR, Tallon MJ.Miami Research Associates, Nutrition/Endocrinology Division, Miami, Florida, USA. dkalman@miamiresearch.com.
ABSTRACT: BACKGROUND: Evidence suggests an inverse relationship between soy protein intake and serum concentrations of male sex hormones. Anecdotal evidence indicates that these alterations in serum sex hormones may attenuate changes in lean body mass following resistance training. However, little empirical data exists regarding the effects of soy and milk-based proteins on circulating androgens and exercise induced body composition changes. METHODS: For 12 weeks 20 subjects were supplemented with 50 g per day of one of four different protein sources (Soy concentrate; Soy isolate; Soy isolate and whey blend, and Whey blend only) in combination with a resistance-training program. Body composition, testosterone, estradiol and sex hormone binding globulin (SHBG) were measured at baseline and week 12. RESULTS: Protein supplementation resulted in a significant increase in lean body mass independent of protein source (0.5 +/- 1.1 and 0.9 +/- 1.4 kg, p = 0.006, p = 0.007). No significant differences were observed between groups for total and free testosterone, SHBG, percentage body fat, BMI or body weight. The Testosterone/Estradiol ratio increased across all groups (+13.4, p = 0.005) and estradiol decreased (p = 0.002). Within group analysis showed significant increases in the Testosterone/Estradiol ratio in soy isolate + whey blend group (+16.3, p = 0.030). Estradiol was significantly lower in the whey blend group (-9.1 +/- 8.7 pg/ml, p = 0.033). CONCLUSION: This investigation shows that 12 week supplementation with soy protein does not decrease serum testosterone or inhibit lean body mass changes in subjects engaged in a resistance exercise program.
For informaton on high quality soy protein powder and shake products visit our website at:
http://www.pamdunwald.com Click on Products/MacroOpimizers for information on shakes, soy protein powder, low glycemic snack and meal replacement bars, antioxidant fruit bars, and much more to assist in your work out recovery meals and pre-performance diet.
For information on diet/food programs for the competing athlete visit: http://www.releasingfat.com You may use the discount code: 111958 for up to a 20% discount on a program.
Another great resource for Sports Nutrition Tips is the largest Elite Sports Facility in Canada: SportsMedBC. A great resource for nutrition and athletes.
http://www.sportmedbc.com/Content/LearningAndResources/Library%20Nutrition%20FactSheets.asp
Pam Dunwald, R.N.
Email: pamdunwald@yahoo.com
Websites: http://www.pamdunwald.com
http://www.bionutrition.org
http://www.releasingfat.com
Thursday, November 15, 2007
Nutrients That Help Prevent Cataracts
Carotenoids lutein and zeaxanthin help prevent cataracts
The carotenoids lutein and zeaxanthin have been shown to offer protection from age-related macular degeneration, a disease of the eye that can lead to blindness.
New research now reveals that these nutrients may also help prevent cataracts. In a recent study, reported in the December 2004 issue of the Journal of Nutrition, human eye cells were treated with several concentrations of lutein, zeaxanthin or vitamin E, and exposed to ten seconds of ultraviolet-beta radiation (UVB). UVB radiation is a wavelength of sunlight that is believed to be responsible for cataract formation. Pretreatment of the eye cells with lutein and zeaxanthin inhibited markers of UVB damage by 50-60%.
Although vitamin E had a protective effect in this study, lutein and zeaxanthin were nearly ten times more powerful. Along with the many environmental, lifestyle and genetic risk factors associated with cataracts, exposure to ultraviolet radiation from sunlight and oxidative stress appear to be a significant risk factor in cataract development.
In addition to protective enzymes and compounds like vitamins C and E, it appears that low concentrations of lutein and zeaxanthin in the eye lens may help shield the eye from harmful effects of UVB radiation, reducing the risk of cataract development.
Find out more about our company and our product for the eyes that contain these very nutrients. Click on : http://www.pamdunwald.com and click on Products. Search for the product called "Visonex".
Pam Dunwald, R.N.
Email: pamdunwald@yahoo.com
Websites: http://www.pamdunwald.com
http://www.releasingfat.com Discount Code: 111958
Http://www.bionutrition.org
The carotenoids lutein and zeaxanthin have been shown to offer protection from age-related macular degeneration, a disease of the eye that can lead to blindness.
New research now reveals that these nutrients may also help prevent cataracts. In a recent study, reported in the December 2004 issue of the Journal of Nutrition, human eye cells were treated with several concentrations of lutein, zeaxanthin or vitamin E, and exposed to ten seconds of ultraviolet-beta radiation (UVB). UVB radiation is a wavelength of sunlight that is believed to be responsible for cataract formation. Pretreatment of the eye cells with lutein and zeaxanthin inhibited markers of UVB damage by 50-60%.
Although vitamin E had a protective effect in this study, lutein and zeaxanthin were nearly ten times more powerful. Along with the many environmental, lifestyle and genetic risk factors associated with cataracts, exposure to ultraviolet radiation from sunlight and oxidative stress appear to be a significant risk factor in cataract development.
In addition to protective enzymes and compounds like vitamins C and E, it appears that low concentrations of lutein and zeaxanthin in the eye lens may help shield the eye from harmful effects of UVB radiation, reducing the risk of cataract development.
Find out more about our company and our product for the eyes that contain these very nutrients. Click on : http://www.pamdunwald.com and click on Products. Search for the product called "Visonex".
Pam Dunwald, R.N.
Email: pamdunwald@yahoo.com
Websites: http://www.pamdunwald.com
http://www.releasingfat.com Discount Code: 111958
Http://www.bionutrition.org
Wednesday, November 7, 2007
Reduced Risk of Periodontitis
High antioxidant levels are associated with a reduced risk of periodontitis
Periodontitis is an inflammatory disease that affects the supporting tissues of the teeth and is associated with an increased risk of stroke, type-2 diabetes, and heart disease.
A new study reveals that increased serum antioxidant concentrations are associated with a reduced risk of periodontitis, even in people who have never smoked. Periodontitis is an inflammatory condition of the tissue surrounding the teeth which has been linked with an increased risk of stroke, type-2 diabetes, and heart disease. A new report published in the Journal of Nutrition revealed that higher serum antioxidant levels are associated with a reduction in the risk of periodontitis.
The current research examined data from 11,480 participants in the Third National Health and Nutrition Examination Survey (NHANES III), for whom periodontal measurements and serum levels of several antioxidants had been recorded. These antioxidants included alpha-carotene, beta-carotene, selenium, lutein, beta-cryptoxanthin, vitamins A, C and E, and total antioxidant levels. Mild periodentitis was found in 14% of the subjects and 5% had severe disease.
Higher vitamin C and total antioxidant levels were associated with a lower incidence of periodontitis, especially with severe disease. Individuals whose vitamin C levels were in the top 20% of participants had a 39% lower risk of periodontitis than participants with the lowest intakes. For subjects who had never smoked, those with the highest intake of vitamin C experienced only half the risk of periodontitis compared to those with the lowest vitamin C levels. Vitamin C has a role in collagen synthesis and maintenance of connective tissue, which may explain its benefit in protecting against periodontitis. In addition, it is known as a potent antioxidant that may also help reduce inflammation. Journal of Nutrition Vol. 137, 657-664, March 2007.
For information on high quality nutritional supplements that are pharmaceutical grade (made under the same strict guidelines as medication) go to our website and click on product information.
http://www.pamdunwald.com
Email: pamdunwald@yahoo.com
Pam Dunwald, R.N.
Healthy Options, ltd, LLC
Periodontitis is an inflammatory disease that affects the supporting tissues of the teeth and is associated with an increased risk of stroke, type-2 diabetes, and heart disease.
A new study reveals that increased serum antioxidant concentrations are associated with a reduced risk of periodontitis, even in people who have never smoked. Periodontitis is an inflammatory condition of the tissue surrounding the teeth which has been linked with an increased risk of stroke, type-2 diabetes, and heart disease. A new report published in the Journal of Nutrition revealed that higher serum antioxidant levels are associated with a reduction in the risk of periodontitis.
The current research examined data from 11,480 participants in the Third National Health and Nutrition Examination Survey (NHANES III), for whom periodontal measurements and serum levels of several antioxidants had been recorded. These antioxidants included alpha-carotene, beta-carotene, selenium, lutein, beta-cryptoxanthin, vitamins A, C and E, and total antioxidant levels. Mild periodentitis was found in 14% of the subjects and 5% had severe disease.
Higher vitamin C and total antioxidant levels were associated with a lower incidence of periodontitis, especially with severe disease. Individuals whose vitamin C levels were in the top 20% of participants had a 39% lower risk of periodontitis than participants with the lowest intakes. For subjects who had never smoked, those with the highest intake of vitamin C experienced only half the risk of periodontitis compared to those with the lowest vitamin C levels. Vitamin C has a role in collagen synthesis and maintenance of connective tissue, which may explain its benefit in protecting against periodontitis. In addition, it is known as a potent antioxidant that may also help reduce inflammation. Journal of Nutrition Vol. 137, 657-664, March 2007.
For information on high quality nutritional supplements that are pharmaceutical grade (made under the same strict guidelines as medication) go to our website and click on product information.
http://www.pamdunwald.com
Email: pamdunwald@yahoo.com
Pam Dunwald, R.N.
Healthy Options, ltd, LLC
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