ergo-log.com

Definition: "An ergogenic aid is any substance or phenomenon that enhances performance "

about us

/

contact

/

07.02.2010


Fish oil lengthens life in animal study

If you give fish oil to mice with unhealthy genes, they live noticeably longer. If you give the mice fish oil and severely restrict their food intake, they live even longer. Immunologists at the University of Texas reported this nearly a decade ago in the Journal of Nutrition. It seems that the polyunsaturated n-3 fatty acids in fish have a longevity effect.




DHA

It is already known from epidemiological research that omega-3 fatty acids inhibit prostate cancer and protect against heart attacks.

The Texans studied the effects of fish oil on mice with an inherited genetic defect that makes their kidneys susceptible to inflammatory reactions. Immunologists use these mice for fundamental research on immune diseases such as lupus.

The Texans divided their test animals into four groups. The AL groups were allowed to eat as much as they wanted. [AL = ad libitum] The FR groups were given 40 percent less food than the mice would normally eat. [FR = food restriction] The CO groups were given feed that consisted of 5 percent corn oil. The FO groups were given feed that contained 5 percent fish oil.

The figure below shows how long the mice in the four different groups lived for.



When the Americans examined the animals they found that the omega-3 fatty acids had stimulated the production of endogenous antioxidants. "Both fish oil feeding and food restriction, and especially a combination of the two, increase antioxidant enzyme activity, thereby preventing the rise in NF-kB and consequently the increase in the proinflammatory cytokines, TNF-a, IFN-g, IL-10, and IL-12, that occurs in these mice."

"In these mice", the researchers emphasise. The question is to what extent these results apply to humans.

Tomorrow we will write about molecular research which suggests that the DNA of people with high amounts of omega-3 fatty acids in their blood ages less quickly.

Source:
J Nutr. 2001 Oct;131(10):2753-60.

More:
Curious? Then you’ll live longer 16.12.2009
Stressed out? Your molecular clock is ticking faster 22.11.2009
High vitamin D level lengthens life expectancy of elderly Dutch 21.11.2009
Constant fight against appetite reduces life expectancy 09.11.2009
Stress reduces life expectancy at molecular level 07.11.2009
Animal study: melatonin extends lifespan 25.10.2009
How creatine lengthens your lifespan 20.10.2009
Long marriage adds years to your life 18.09.2009
Drink three cups of tea a day and add five years to your life 11.09.2009
Live ten years longer with just one multivitamin pill per day 06.06.2009
Life-extending effect of virgin olive oil shown in fat rats 22.05.2009
Daily dose of Echinacea lengthens life expectancy 24.04.2009
The less you sit, the older you’ll get 21.04.2009
Animal study: nori contains life prolonging substance 06.04.2009
Meditation lengthens lifespan 20.02.2009
Vitamin D delays aging at genetic level 28.12.2008
Physical exercise delays molecular aging by ten years 25.12.2008
How a low-carb diet helps against aging 23.12.2008
Vitamin D extends your life expectancy 22.12.2008
S-Words extend lifespan of writers and psychologists 11.10.2008
Creatine extends lifespan of mice 08.10.2008
Slim-waisted rats live longer 23.09.2008
Gingko lengthens rats' lifespan 12.09.2008
Strong men live longer 31.08.2008
Male orgasm prolongs life 23.08.2008
Ginkgo prolongs life 17.08.2008