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Reverse Aging News March 2008 Archives

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Scientists Create Beating Heart
     


 

Researchers at the University of Minnesota have reported that they have created a beating rat heart in a laboratory, a giant step in the quest to grow replacement organs for human beings. Doris A Taylor, PhD is the principal author of the 2008 study and the Director of the Center for Cardiovascular Repair at the school. The researchers removed all of the cells from the heart except for the valves and outer structure which they kept as scaffolding. They injected new cells and let them grow. Within two weeks they had a rat heart that conducted electrical impulses and pumped blood. Scientists expect to do the same with human stem cells within ten years.

In “Reverse Aging Now”, the 2007 Telly Award Winning feature length documentary, Robert Lanza, MD of Advanced Cell Technology in Worcester, Massachusetts discusses the human tissue engineering techniques that he plans to use to grow human replacement organs that will last 200 years!

           
           
Robert Lanza, MD of Advanced Cell Tecnology
   

A Hormone is a Hormone

Menopause hormones mixed by pharmacists aren’t any safer than commercially prepared hormones from drug companies, the Food and Drug Administration has concluded. Hormones mixed by pharmacists are often called “bioidentical” because although they are plant derived, they are chemically equivalent to the estrogen or progesterone made in a woman’s body. Pharmaceutical companies also offer bioidentical menopause hormones. According to the FDA getting a hormone from a compounding pharmacy provides no advantage over buying one prepared by a drug company. It still carries the same risks and benefits. The FDA action means that compounders can no longer claim that they produce a superior product.

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Vigorous Exercise Can Stave Off Aging

If you’ve seen the interviews with Senior Olympians in “Reverse Aging Now,” this next study isn’t much of a surprise. However Dr. Vonda Wright, a 40 year old runner and professor of orthopedics at the University of Pittsburgh decided to study middle aged athletes. She included those who began later in life. Dr. Wright attempted to chart performance decline over age. The results defied her expectations, highlighted by one man who took up running at the age of 62 and competed in his first marathon a year later with a time of 3 hours 25 minutes. The secret is training smarter and in protecting against injury. Older athletes have a resilient mental fortitude shaped by years of experience although compared to younger competitors they tend to be slower because oxygen consumption declines with age because the maximum hear rate falls about 8 beats per minute per decade.

       
Gordy Shields 80 yr. old
World Champion Cyclist
       
           

Do artificial sweeteners work?

A study last month raised the question if artificial sweeteners work at all. At Purdue University rats given artificial sweeteners actually gained more weight than those eating yogurt flavored with sugar. Researchers use calorie free saccharine but said the results could probably extrapolated to include other sweeteners. The Purdue scientists concluded that the sweet taste of saccharine prepared the rodents to take in a lot of calories, but when the calories didn’t follow as expected the rats ate more to compensate. The results are counterintuitive since consuming lower calorie food should produce weight loss.

 

"Reverse Aging Now,” is television’s most comprehensive look at anti-aging medicine. It’s available on DVD from www.ReverseAgingNow.com. The 2007 Telly Award Winning Documentary analyzes aging through the eyes of two dozen scientists and doctors from America's foremost educational and medical institutions including Harvard, Yale, Stanford, UCLA, UCSF, USC, Cedars Sinai Medical Center et al. As a bonus, each DVD includes a Free Longevity Workbook.

 

Finally, on a depressing note

David Blanchflower of Dartmouth College in New Hampshire and Economist Andrew Oswald of the University of Warwick in England decided to examine the relationship between age and happiness. They found an inverted bell curve where in the United States happiness reached its nadir around age 40 in women and 50 in men. Happiness actually picks up in later years. The two researchers were baffled by the results. Click here for a look at Ruth Pomerantz at Anti-Aging Diary.com On March 24, 2008 she turned 90, full of vigor and joy.

   
 

Next month: In time for spring hiking season we feature a joyful trek through the mountains of the west with Carolisa Pomerantz. Reverse Aging News c. 2008 Checkmate Pictures - Paul M. J. Suchecki, Editor

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