Thursday, March 05, 2009

1: Geriatrics. 2009 Jan;64(1):14-7.
The aging male and his biological clock.
Fisch H.
Department of Urology, Columbia University College of Physicians and Surgeons, Columbia University Medical Center, New York, NY.
Couples are waiting longer to have children, and advances in reproductive technology are allowing older men and women to consider having children. The lack of appreciation among both medical professionals and the lay public for the reality of a male biological clock makes these trends worrisome. The age-related changes associated with the male biological clock affect sperm quality, fertility, hormone levels, libido, erectile function, and a host of non-reproductive physiological issues. This article focuses on the potentially adverse effects of the male biological clock on fertility in older men. Advanced paternal age increases the risk for spontaneous abortion as well as genetic abnormalities in offspring due to multiple factors, including DNA damage from abnormal apoptosis and reactive oxygen species. Increased paternal age is also associated with a decrease in semen volume, percentage of normal sperm, and sperm motility. Older men considering parenthood should have a thorough history and physical examination focused on their sexual and reproductive capacity. Such examination should entail disclosure of any sexual dysfunction and the use of medications, drugs, or lifestyle factors that might impair fertility or sexual response. Older men should also be counseled regarding the effects of paternal age on spermatogenesis and pregnancy.
PMID: 19256577 [PubMed - in process]

3 Comments:

At 9:47 PM, Blogger viagra said...

The chances of contracting erectile dysfunction goes up substantially with age, increasing significantly above the age of sixty-five-which is rapidly approaching for the baby boomers. Although erectile dysfunction becomes more likely with advancing age, there is certainly no age cutoff for a sexually fulfilling life. Some men enjoy sexual activity even in their eighties and nineties. www.buy-viagra-with-us.com

 
At 8:39 AM, Blogger allissamarshal said...

Generic Viagra contains Sildenafil and it is a prescription drug used to treat erectile dysfunction. Erectile dysfunction is the inability of the penis to become rigid, or stay firm long enough to complete the sexual act.

 
At 1:30 AM, Blogger johnnysmith said...

Generic Cialis functions by inhibiting the action of an enzyme, known as PDE5. Generic Levitra helps increase the flow of blood to the penis, so it may help men with ED get and keep an erection that lasts long enough to have successful sex.

 

Post a Comment

<< Home

Photarium blog directory Blog Directory - photarium Outpost