CYBERMED NEWS - Higher Medical Scientifc Information and Research

Cancer

  • HPV vaccines aren't working, researchers conclude

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    The HPV vaccine to protect against cervical cancer isn't working, a new study has found.

    The two major HPV vaccines, Gardasil and Cervarix, are taking the credit for cervical abnormalities that never would have developed into cancer.

  • HRT causes 1 in 20 breast cancer cases

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    HRT causes 1 in 20 breast cancer cases image

    HRT (hormone replacement therapy) is twice as risky as doctors feared, with the latest research discovering it will cause breast cancer in one in 50 women who regularly take it.

  • Intensive exercise as effective as chemo against colon cancer

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    Chemotherapy and radiotherapy are standard approaches to slow the growth of colon cancer—but high-intensity exercise can have the same positive effect, a new study has found.

    Even a short session of high-intensity interval training (HIIT) can slow the growth of colon cancer cells or even kill them off completely.

  • It's never too late to start a healthy diet

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    It's never too late. People who take up a healthy diet in their middle age—and even up to the age of 75—can start seeing massive health benefits, such as weight loss and lower body fat, and all that that implies, such as reduced risk of diabetes and heart disease.

    Even if you're 75 when you finally give up the burger for healthier options, such as vegetables and fruits, you'll still start seeing your health turnaround, say researchers who tracked the diets and health of around 2,000 middle-aged men and women.

  • Low-dose arsenic killing most lethal type of brain cancer

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    Poison is in the dose—as researchers have demonstrated yet again with the discovery that very low amounts of arsenic can combat one of the most aggressive forms of brain cancer.

    Arsenic trioxide has been used for years to treat a rare type of blood cancer—but it can also combat the most aggressive and common form of brain cancer, gliobastoma multiforme.

  • Lung cancer risk drops 'dramatically' five years after quitting smoking

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    Good news for ex-smokers: it's a myth your lungs never recover. In fact, your risk of lung cancer drops dramatically five years after quitting, researchers have discovered.

    The discovery should give further motivation to smokers to stop, say researchers from the Vanderbilt University Medical Center; "if you smoke, now is a good time to quit," said lead researcher Hilary Tindle.

  • Measles is a natural cancer killer

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    Health authorities may want to think twice about eradicating measles: researchers are discovering that the virus can fight cancer, and in one case dissolved a golf ball-sized tumor in just 36 hours.

    The virus makes cancer cells join together and explode, explains Mayo Clinic researcher Dr Angela Dispenzieri. It also stimulates the immune system to detect any recurring cancer cells and 'mops them up'.

    Although it's been recognised for a long time that measles and other viruses are natural cancer fighters—it's known as virotherapy—the dose seems to be an important factor. Dispenzieri and her Mayo colleagues engineered, or genetically modified, the measles virus strain, and gave it in a dose strong enough to vaccinate 10 million people to a woman with end-stage multiple myeloma.

  • Mind and matter: meditation lowers inflammation in the body

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    Yoga and meditation can help regulate the body's inflammation levels, one of the keys to many of today's chronic illnesses, from heart disease, arthritis, diabetes and even some cancers.

    The two practices reduce inflammation markers within three months, which suggests they are boosting the immune system. They also appear to improve brain health, and make you more alert and awake.

  • Missing part of 'Warburg effect' could usher in new cancer therapies

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    Scientists have discovered the final part of the Warburg effect—which shows how cancer cells feed off sugar to live and grow—that could herald in new cancer therapies to stop the disease progressing.

    Nearly 90 years ago, German physician Otto Warburg noticed cancer cells behaved differently. Instead of using oxygen to turn food into energy, as healthy cells do, cancer cells feed off glucose.

  • Mobile phones cause lethal type of brain cancer, major study expected to declare

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    An important study into the safety of mobile (cell) phones is expected to report early next year that the devices can trigger the most lethal form of brain cancer, glioblastoma multiforme (GBM).

    The US National Toxicology Program (NTP) will shortly release the full results of its $25m research project that involved exposing laboratory mice and rats to 10-minute bursts of cell-phone radiation for two years.

  • Mobile phones do cause brain tumours, Italian court upholds

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    Longterm mobile phone use can cause brain tumours, one of Italy's highest courts has confirmed.

    It upheld a ruling that a man had developed acoustic neuroma, a benign tumour of the head, as a direct consequence of using a mobile phone for long periods.

  • New therapies for common cancers not being independently researched

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    The most common—and the deadliest—cancers are not being researched by independent scientists, which is blocking the introduction of innovative, and non-chemo, therapies into mainstream treatment.

    Non-profit research funding is not being allocated to the research of these cancers—and it could be because some consider the cancers are 'embarrassing' or have been stigmatized.

  • No meat no muscle?

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    Edric Kennedy-MacFoy, a vegan and bodybuilder, makes the case against the myths about fitness and animal protein.

    The biggest myth out there about veganism is that it'll leave you weak, at risk of anemia, lacking in energy and struggling to build muscle. In fact, nothing could be further from the truth.

  • Omega-3 supplements don't cause prostate cancer (but they do protect the heart)

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    Despite the bad publicity, it's fake news that omega-3 supplements cause prostate cancer—but it's true they are good for heart health.

    The theory that the supplements cause prostate cancer—first suggested in a paper published in 2013—has been debunked by researchers at the Intermountain Healthcare Heart Institute.

  • Poor gums could be triggering liver cancer

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    Poor gums could be triggering liver cancer image

    Poor dental health is linked to liver cancer. People with periodontal disease—characterised by bleeding gums and loose teeth—are 75 per cent more likely to develop the cancer.

    Bacteria seen in periodontal disease has also been found in liver cancer cells, say researchers at Queen's Hospital in Belfast.

  • Probiotics could reverse colon cancer

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    Colon cancer could be reversed just with probiotics that change the gut's bacteria—and the disease can be prevented in the first place by eating whole grains, such as brown rice and whole-wheat bread, every day, two new research studies have found.

    In a breakthrough study that could herald in a new drugs-free approach to treating colon cancer, researchers have discovered that sufferers lack certain enzymes known as metabolites, simple 'building-block' compounds, in their gut, and this can cause inflammation and cancer.

  • Processed food raises cancer risk

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    Your cancer risk increases with the amount of processed food—such as bread, cakes, snacks, sweets and sodas—you eat. Eating 10 per cent more of the foods every day raises the chances of developing cancer by 12 per cent, a new study claims.

  • Proton channels and exchangers in cancer

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    Proton channels and exchangers in cancer

    Abstract

    Although cancer is characterized by an intratumoral genetic heterogeneity, a totally deranged pH control is a common feature of most cancer histotypes. Major determinants of aberrant pH gradient in cancer are proton exchangers and transporters, including V-ATPase, Na+/H+ exchanger (NHE), monocarboxylate transporters (MCTs) and carbonic anhydrases (CAs). Thanks to the activity of these proton transporters and exchangers, cancer becomes isolated and/or protected not only from the body reaction against the growing tumor, but also from the vast majority of drugs that when protonated into the acidic tumor microenvironment do not enter into cancer cells. Proton transporters and exchangers represent a key feature tumor cells use to survive in the very hostile microenvironmental conditions that they create and maintain. Detoxifying mechanisms may thus represent both a key survival option and a selection outcome for cells that behave as unicellular microorganisms rather than belonging to an organ, compartment or body. It is, in fact, typical of malignant tumors that, after a clinically measurable yet transient initial response to a therapy, resistant tumor clones emerge and proliferate, thus bursting a more malignant behavior and rapid tumor progression. This review critically presents the background of a novel and efficient approach that aims to fight cancer through blocking or inhibiting well characterized proton exchangers and transporters active in human cancer cells. This article is part of a Special Issue entitled: Membrane channels and transporters in cancers.

     

    https://www.ncbi.nlm.nih.gov/pubmed/25449995

  • PSA prostate cancer test not fit for purpose

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    PSA prostate cancer test not fit for purpose image

    The PSA screening test for prostate cancer isn't fit for purpose. It isn't saving lives, and it's even missing cancers that are potentially lethal, a major new study has concluded.

    The PSA (prostate-specific antigen) is a simple blood test that men over the age of 50 are invited to have—but plans to make it a routine test for all over-50s will probably be shelved following the damning review from the University of Bristol, funded by Cancer Research.

  • Put oil on vegetables and greens to unlock their nutrients

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    We all know we need to be eating our greens—but their full health-giving properties are unlocked when we sprinkle some oil on them first.

    Oils, such as extra virgin olive oil and soybean oil, help our body absorb the nutrients in greens and salads.

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