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(Health) Aging: Fountain of Youth within Reach?
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adedios
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Joined: 06 Jul 2005
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Location: Angel C. de Dios

PostPosted: Sat Dec 29, 2007 9:24 am    Post subject: New Ingredients in Drug-Like Anti-Aging Products Improve Ski Reply with quote

New Ingredients in Drug-Like Anti-Aging Products Improve Skin
--------------------------------------------------------------------------------
Journal of Cosmetic Dermatology

Winston-Salem, N.C. – December 28, 2007 – Cosmecueticals, beauty aids that reportedly work like prescription drugs, are providing new ways to treat aging skin. A study recently published in the Journal of Cosmetic Dermatology explores a variety of new ingredients in cosmeceuticals that provide a visibly noticeable improvement in maturing skin.


The most dramatic and apparent signs of aging include the lack of skin surface regularity, formation of wrinkles, and increased presence of abnormal pigmentation. Zoe Diana Draelos, MD, of Dermatology Consulting Services, High Point, North Carolina, assessed the ingredient efficacy in a variety of cosmeceuticals on each of these areas of aging skin.


Draelos found that skin surface irregularity can be improved through the topical application of niacin, while the appearance of fine lines can be diminished through the application of moisturizers containing engineered peptides and over-the-counter retinoids. Skin pigmentation can become more regular with the use of photoprotective ingredients. Furthermore, combining cosmeceutical ingredients in a moisturizing agent can magnify benefits and improve skin appearance.


“Evidence-based cosmeceutical ingredients can provide anti-aging benefits,” Draelos concludes. “This new generation of cosmeceuticals can provide valuable skin benefits.”
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adedios
SuperPoster


Joined: 06 Jul 2005
Posts: 5060
Location: Angel C. de Dios

PostPosted: Mon Jan 07, 2008 7:02 pm    Post subject: Lack of imagination in older adults linked to declining memo Reply with quote

Association for Psychological Science
7 January 2008

Lack of imagination in older adults linked to declining memory

Most children are able to imagine their future selves as astronauts, politicians or even superheroes; however, many older adults find it difficult to recollect past events, let alone generate new ones. A new Harvard University study reveals that the ability of older adults to form imaginary scenarios is linked to their ability to recall detailed memories.

According to the study, episodic memory, which represents our personal memories of past experiences, “allows individuals to project themselves both backward and forward in subjective time.”

Therefore, in order to create imagined future events, the individual must be able to remember the details of previously experienced ones extract various details and put them together to create an imaginary event, a process known as the constructive-episodic-simulation.

Harvard psychologists Donna Rose Addis, Alana Wong and Daniel Schacter supported the hypothesis using an adapted version of the Autobiographical Interview in which young and older participants responded to randomly selected cue words with past and future scenarios.

When compared with young adults, the researchers found that the older adults displayed a significant reduction in the use of internal episodic details to describe both past memories and imagined future events.

The results of the study, which appear in the January 2008 issue of Psychological Science, a journal of the Association for Psychological Science, not only reveal that there is a link between age-related memory deficits and future planning in older adults, but raise questions concerning the involvement of other types of memory, as well.
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adedios
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Location: Angel C. de Dios

PostPosted: Mon Jan 14, 2008 1:53 pm    Post subject: Organism Lives 10 Times as Long After Genetic Tinkering Reply with quote

Organism Lives 10 Times as Long After Genetic Tinkering
By Dave Mosher, LiveScience Staff Writer

posted: 14 January 2008 09:01 am ET

Scientists have extended the lifespan of yeast, microbes responsible for creating bread and beer, by 10-fold. That's twice the previous record for life extension in an organism.

The breakthrough could ultimately inform efforts to extend human lives.

Instead of one week, the yeast lived for about 10 weeks through genetic tinkering and a low-calorie diet.

For the full article:

http://www.livescience.com/hea.....nsion.html
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