May 14, 2013 -- Actress and activist Angelina Jolie's recent decision to have a preventive double mastectomy highlights the difficult choices facing women who find out they have a high risk for breast cancer because of their genes.

Although relatively rare, mutations in the BRCA1 and (More)
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March 12, 2013 -- Growing a replacement tooth from your own cells may be a step closer, according to new research.

It is still too early for use in people, but the technique involves taking stem cells and growing more of them to produce a very small, immature tooth, similar to what a tooth would look like when it starts to grow in an embryo.

"It's very (More)
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March 6, 2013 -- Actress Valerie Harper, best known for her role as Rhoda Morgenstern on The Mary Tyler Moore Show and Rhoda in the 1970s, has learned she has leptomeningeal carcinomatosis.

The condition happens when cancer spreads to the brain and spinal cord.

Now 73, Harper told People magazine she received the diagnosis in January.

The American (More)
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March 5, 2013 -- Spring allergy season is again off to an early start in many parts of the country, and doctors say there are some signs it may be even more miserable than usual this year.

Last year was the fourth warmest winter on record, with consistently mild temperatures. That led to record-breaking pollen counts that struck (More)
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March 1, 2013 -- Sleeping fewer than six hours for several nights in a row affects hundreds of genes responsible for keeping us in good health, says a new study.

Research led by the U.K.'s Surrey Sleep Research Centre found that people who were subjected to sleep deprivation for a week underwent changes at a molecular level that could affect their (More)
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Feb. 28, 2013 -- Young women found the news surprising and more than a little scary: Cases of advanced breast cancer have been rising in women 25 to 39 over the past three decades, researchers reported this week.

From 1976 to 2009, the number of cases of advanced breast (More)
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Feb. 19, 2013 -- New research suggests that caffeine is linked to low-birth-weight babies and that drinking coffee is linked to a longer pregnancy.

The report suggests that drinking 200-300 milligrams of caffeine per day raised the risk of a (More)
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Feb. 6, 2013 -- The standard advice about which fats are best for heart health is under debate again.

Triggering it is new research, just published in BMJ, finding that a form of omega-6 fatty acid found in vegetable oils may actually boost heart disease risk. Omega-6 fatty (More)
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Feb. 5, 2013 -- Healthy young men who watch TV for more than 20 hours a week have almost half the sperm count of men who watch very little television. But men who do 15 or more hours of moderate to vigorous exercise every week have sperm counts that are 73% higher than those who exercise for less than five hours a week, according to a new study published in the British Journal of Sports Medicine.

Allan Pacey, PhD, British Fertility Society chairman (More)
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Feb. 1, 2013 -- Not all cancer screening tests are helpful, and some are potentially harmful, according to a new Consumer Reports rating.

In the new report, Consumer Reports recommends only three of 11 common cancer screening tests, and then only for certain age groups.

Screenings for cervical, (More)
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