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Calcium

HEALTH
January 18, 2010
Even a good night's sleep doesn't totally compensate for many weeks of sleep loss. And it's the late-night period when the accumulation of sleep loss may be most apparent. Researchers at Brigham and Women's Hospital examined the effect of weeks of insufficient sleep on performance. They scheduled nine healthy volunteers to live for three weeks on a schedule consisting of 43-hour periods in which they were awake for 33 of those hours. That equals about 5.6 hours of sleep for every 24 hours.
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HEALTH
December 28, 2009 | By Brendan Borrell
It seems like the pinnacle of medical science: For just a few hundred dollars, you can walk into just about any hospital in Southern California and ask a doctor to check your arteries for buildup of heart-attack-inducing calcium plaque. Most of the time, what goes on inside our bodies is a mystery, but there's something satisfying in the thought that a sophisticated piece of equipment can measure just how clogged our arteries really are (and how much more junk food we can afford, or not afford, to eat)
HEALTH
November 9, 2009 | Emily Sohn
It's not hard to get all of your daily needs from nonmeat sources, nutritionists say, but it takes thought and planning -- plus a few tricks. No matter how old your vegetarian kids are, the first step is to educate yourself on healthful alternatives to animal products, such as hummus, tofu, quinoa and legumes. When vegetarian teens live in a meat-eating family, they should also take some of the responsibility for preparing vegetarian meals, says nutritionist and epidemiologist Dianne Neumark-Sztainer, of the University of Minnesota, Twin Cities, so that the entire burden doesn't fall on parents.
HEALTH
May 25, 2009 | Tammy Worth
When pediatric urologist Barry Duel began practicing 11 years ago, it was rare to see a healthy child with kidney stones. These days, he sees two to three new children with stones a month. Craig Langman, head of the department of kidney diseases at Children's Memorial Hospital in Chicago, has 800 pediatric patients in his files with kidney stones. More than half of them are from the past five years.
NEWS
September 14, 2008 | Rosie Mestel; Carla Rivera; Steve Hymon
BOOSTER SHOTS Life is a road strewn with potholes, wrong turns and tree limbs sticking out at eye height. Don't I know that. But some would argue the hazards are more plentiful and to be found in unexpected places. A PR agent tried to convince me that we are riddled with disease for one principal reason: We eat too much calcium. She turned my attention to her doctor client's book, which darkly warned -- four times by Page 18 -- that calcium is toxic: "Calcium hardens concrete.
SCIENCE
June 28, 2008 | From Times Staff and Wire Reports
Researchers have identified a gene that may raise the risk of getting late-onset Alzheimer's disease by about 45% in people who inherit one copy of it. That form of the gene appears to hamper a brain cell's ability to take in calcium, according to a report Friday in the journal Cell.
HEALTH
March 31, 2008 | Shari Roan, Times Staff Writer
Coronary artery calcium scanning -- a method that takes images of the coronaries and uses them to predict heart attack risk -- has soared in popularity over the last decade. But controversy has dogged the test for two reasons: a lack of scientific evidence that it can predict risk in people of all ethnicities and doubts about its cost-effectiveness. One of those issues appears to be resolved.
HEALTH
June 25, 2007 | Chelsea Martinez, Times Staff Writer
Women who get calcium from food have higher bone density than those who get calcium from supplements, a study has found. This is true even if the supplements contain more total calcium than the diet with which they are compared. In the study published in the May edition of the American Journal of Clinical Nutrition, researchers at the Washington University School of Medicine in St. Louis had 168 post-menopausal women keep a weeklong dietary record.
HEALTH
September 11, 2006 | Hilary E. MacGregor, Times Staff Writer
NOTE to the lactose intolerant: When it comes to milk, don't stray far from the federal food guidelines. A new report from the American Academy of Pediatrics, published in the September issue of Pediatrics, says that even children who can't easily digest lactose should consume some dairy foods to make sure they get enough calcium, vitamin D and other nutrients for healthy growth. "A lot of people say they are lactose intolerant, so they can't have any dairy products," said Dr.
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