A study conducted on more than 30,000 post-menopausal women showed that, intense physical activity ranging from housework to jogging protected against breast cancer even among those who don’t have a higher risk. The effect was clearest among lean women.

“We know that being overweight puts women at increased risk of breast cancer. What our study shows is that even among women without this increased risk, if they exercise they can get some benefit.” said Michael Leitzmann, who led the study.

Breast cancer is the leading cause of cancer deaths among women worldwide, according to the American Cancer Society. The group estimates about 465,000 women died of breast cancer globally in 2007 and 1.3 million new cases were diagnosed.

Leitzmann used questionnaires to find out, how often the women exercised vigorously. All participants were healthy when the study started. After 11 years, researchers found that overall the volunteers who exercised, were 13 percent less prone to have developed breast cancer.

The reduced risk was even higher, up to 30 percent, when the researchers compared only women of standard weight. “The relationship was much stronger among leaner women,” he added.

The researchers did not look at why exercise reduce cancer risk but Leitzmann explained that, previous studies have shown that exercise reduces estrogen levels, a known risk factor for the disease and protects the body’s general immunity.

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The large study represents the figure of vaccination rates for the Gardasil vaccine, manufactured and advertised by Merck Frosst, three-shot chain that targets the sexually transmitted human papillomavirus (HPV).

According to recommendation, girls should get the vaccine shots when they are 11 or 12, before sexual maturity.

For the results, researchers verified vaccination information through medical records of 3,000 girls ages 13 to 17. Of the girls in the survey, 25 percent had received at least one Gardasil shot.

“The shots could dramatically reduce the nearly 4,000 cervical cancer deaths that occur each year in the U.S.” vaccine proponents said.

But many people are curious about the safety of the vaccines, said Patti Gravitt, associate professor of Johns Hopkins University.

Another thing that matters is the price, retailing for about $375, although several health insurers now covering it. There are questions about, either vaccine provides lifetime immunity or a booster dose will be required.

“Some parents may be adopting the attitude with their daughters that, ‘Well, you’re still young. I can wait a couple more years before you’re sexually active.” said Gravitt.

“My personal opinion is that this seems quite reasonable after the first year,” Gravitt said, of the 25 percent vaccination rate.

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Most of these health benefits of fish oil can be endorsed to the presence of Omega 3 essential fatty acids such as Docosahexaenoic acid (DHA) and Eicosapentaenoic acid (EPA). Other useful essential fatty acids include Alpha-linolenic acid or ALA and Gamma-linolenic acid or GLA.

The various kinds of fish which can be a rich source of fish oil are mackerel, rainbow trout, lake trout, halibut, herring, sardines, oysters, albacore tuna, tuna, turbot, pilchards, anchovies and salmon. The most famous names among these for obtaining fish oil are albacore tuna, herring, mackerel, sardines, lake trout and salmon.

The American Heart Association and some other groups recommend Omega-3s, the main fat found in fish and fish oil capsules, to reduce the risk of cardiovascular disease. Fish oil not only reduces heart diseases but it also has number of beneficial effects on different organs of the human body which are as follows.

Heart Disease

According to the American Heart Association (AHA), clinical trials have proved that omega 3 is helpful in reducing the occurrence of cardiovascular diseases (CVD). Fish oil, which contain abundant omega 3, therefore, reduces the risk of heart diseases and maintain heart’s rhythm. It lowers the levels of lowdensitylipoprotein (LDL) cholesterol, which is bad cholesterol, and increases the highdensitylipoprotein (HDL) levels, which is the good one. Fish oil not only prevents accumulation of triglycerides (TG) but also reduces the level of surplus TG. Preliminary research has shown that fish oil can also be used for the prevention of atherosclerosis in the patients of coronary heart diseases (CHD). Thus fish oil is effective for the treatment of strokes and regular usage of fish oil can be helpful to avoid several sudden cardiac arrests.

Weight Loss

Fish oil also aids in the process of weight loss. Research has shown that fish oil improves the efficacy of physical exertion in reducing weight. Participants who were given fish oil diet manifest grater loss of weight as compared to those who did not consume fish oil diet. Exercise in combination with fish oil had a synergistic effect on the body shape and composition of the patients.

Blood Circulation

It has been proven, that fish oil is capable of improving blood circulation along with reduction in TG and serum cholesterol levels.

Immunity

It is believed that, with regular use of fish oil immunity can be increased thereby enabling you to oppose against common diseases such as cold, cough and flu. Omega three fatty acids present in fish oil benefit the immune system by effecting cytokines and eicosanoids present in our body. Researchers have also studied the effect of fish meal and fish oil on the immune system of pigs and found that, fish oil aided in the growth of the animals. Fish oil is also helpful to patients of lupus, a disease characterized by the attacks of immune system of the body on various organs and tissues. Fish oil reduced the pain and inflammation that may occur in joints, eyes, kidney, heart, blood vessels, lungs, nerves, etc. It also protects against associated fever, skin rashes and fatigue.

Inflammation

Fish oil has an anti-inflammatory property, that’s why it is successful in reducing inflammation in blood and tissues. Patients of chronic inflammatory diseases can take the advantage of fish oil. It is effective in treating gastrointestinal disorders, sprue, short bowel syndrome and irritable bowel syndrome (IBS) including Crohn’s Disease and ulcerative colitis, which are typical associated with intestine disorder. Patients suffering from Crohn’s disease have difficulty in absorption of vitamins, fats and essential supplements. In ulcerative colitis, fish oil inhibits the accretion of leukotriene on the colon. It should be noted that the anti inflammatory characteristic of fish oil is limited to reducing inflammation. Fish oil provides mild to moderate effect in preventing inflammation.

Alzheimer’s Disease

Research conducted at the Louisiana State University has proven that fatty acids are efficient in treating Alzheimer’s disease. Since fish oil is one of the best sources of essential fatty acids including EPA and DHA, it helps in Alzheimer disease. Researcher said that, fish provide higher content of omega three fatty acids to patients as it acts as a protective diet during Alzheimer disease and dementia.

Eye Disorders

It is well known that fish oil is good for its ability to improve vision as it contains vitamin A and E. It also helps in avoiding age related macular degeneration.

Skin Care

Fish oil improves the condition of poor and dry skin by making it shinny and glowing. It is useful in treating skin problems such as eczema, psoriasis, itching, skin lesions, rashes and redness of skin. In case of psoriasis, the EPA in fish oil restricts the growth of pro-inflammatory agents by producing arachidonic acid. Fish oil can also be applied topically to obtain relief from psoriasis. Regular intake of fish oil capsules helps to retain the moisture of skin.

Pregnancy

Fish oil is highly useful for pregnant women as DHA present in it helps in the development of the eyes and brain of the baby. It may avoid premature births, low birth weight and miscarriage. Research conducted in Denmark, concluded that diet with poor amount of fish resulted in higher risk of premature or preterm babies. Moreover, when pregnant women use fish oil, the born offspring show better coordination between eye and hand. Thus it is essential to consume fish oil in any form during pregnancy for the overall development of the child and well being of the mother. However, cod liver oil, should not be used during pregnancy as it is rich in retinol and vitamin A.

Use with caution

Although fish oil can provide the same benefit as far as Omega-3 fats is concerned. If you do not have any heart disease, 2 or 3 portions of fish a week will fulfill the needed omega-3s, 2 grams a week. If you already have had a cardiovascular episode, you can add some capsules of fish oil to your diet but do not exceed 1 gram a day of Omega-3s.

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