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How we test cancer fish ?

Occasionally, cancer fish health news will make the waves and trigger a mini-avalanche of emails in my inbox. This was the case last week fish oil cancer, when a study linking some omega-3 fatty acids ("fish oil") with an increased risk of prostate cancer. The study,cancer fish published in the Journal of the National Cancer Institute, assessed levels of omega-3 fat in the blood of 2,227 men and risk of prostate cancer [1].

Men with higher levels of omega-3 fatty acids cancer fish had a statistically significant increased risk of prostate cancer compared with those with lower levels of risk. More specifically, an increased cancer fish risk of "low-grade" (start) and "high quality" (more advanced) prostate cancer was found 44 and 71 percent, respectively fish oil cancer.

Fish test for cancer ...

One good thing cancer fish about this study is that we assessed omega-3 fat levels in the blood. This is, I think,fish oil cancer is better to rely, for example, reports on the amount of fish oil you ate the previous year or whatever people. However,cancer fish a fundamental flaw of this study is that it is in the epidemiology.

These studies can tell us about the relationships between things, but not something that is causing another cancer fish.

In addition, it often makes sense to show the results of a new study in the context of what has gon
e before.

The authors have cancer fish similar survey data combined in the form of what is known as a "meta-analysis." Meta-analysis is not perfect (for example, sometimes the methods used vary between studies that can make it difficult to interpret), but usually offer a better view of all the evidence that individual studies cancer fish. Meta-analysis (including the present study) revealed:

A link fish test for cancer between high levels of omega-3 fatty acids and an increased risk of prostate cancer high grade (higher levels were associated with an increased risk of 51 percent).

No link between high levels of omega-3 fatty acids and an increased risk of prostate cancer, low-grade
No link between high levels cancer fish of omega-3 fatty acids and a higher overall risk of prostate cancer (prostate combined high and low).

Another way fish test for cancer to get an overview of the test is to extend the research beyond a single state.

We will use sunlight as an example. If we, for example, cancer fish to focus exclusively fish test for cancer on the relationship between sun exposure and certain types of skin cancer, we may be tempted not to go into the sun without protection. However,cancer fish what is often forgotten is that sun exposure is also associated with a reduced risk of many cancers. In general, the relationship between sunlight and cancer is one of protection. In addition, sunlight is a risk associated with REDUCE other diseases, including heart disease cancer fish and multiple sclerosis fish oil cancer.

Probably the best and most comprehensive way to judge the relationship between a factor and health is evaluating its relationship with the overall risk of death. Although still epidemiological in nature, these studies include all conditions. We cancer fish as evidence of omega-3? Actually what we do.

In a study cancer fish published earlier this year, researchers from the School of Public Health in the United States Harvard measured blood levels of omega-3 in 2692 adults who were followed for an average of 11 ½ years [ 2].

People with cancer fish higher levels of omega-3 fatty acids (compared with those with the lowest levels) were 27 percent less likely to die during the study.

People fish test for cancer with higher levels experienced an average of 26 months and a half more than those with lower levels fish oil cancer.

It would be difficult to make a case of this study are higher than last week (which focused on the risk of prostate cancer death risk only because of this) fish oil cancer.

I saw the study of the School of Public Health at Harvard, when he left, but let it float by. Why?Fish oil cancer mainly because is epidemiological in nature, and I did an unofficial policy of the mine not put too much importance in research at end of day, not tell us much fish oil cancer.

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