A: Breakouts during pregnancy aren't at all uncommon -- they're due to your elevated hormone levels. But while nonpregnant women can use a range of prescription drugs for acne, those who are expecting need to be more careful. Specifically, pregnant women should avoid these four types of prescription acne products:

Accutane (generically call... ]]> English 佚名 2010-9-2 4:39:03 http://www.39kf.com/EN/Health-News/2010-09-01-671598.shtml Aug. 31, 2010 -- Adding more selenium to your diet may reduce your risk of bladder cancer.

Scientists reporting in the September issue of Cancer Epidemiology, Biomarkers & Prevention say that adults with low blood levels of the mineral selenium are more likely to develop bladder cancer. The lower your levels of selenium, the higher your risk.

Selenium is a trace mineral found in soil. Dietary sources of selenium include plant foods and meats from an... ]]> English 2010-9-1 18:42:15 http://www.39kf.com/EN/Health-News/2010-09-01-671597.shtml Aug. 31, 2010 (Stockholm, Sweden) -- Low vitamin D levels are associated with a higher risk of death and hospitalization in people with heart failure, researchers report.

The study doesn't prove that low vitamin D levels place patients at higher risk of dying. Even if the findings are confirmed, low levels of vitamin D may be a marker for some other damaging factor.

The hope is that vitamin D supplements may be able to improve outcomes among people with heart ... ]]> English 2010-9-1 18:42:08 http://www.39kf.com/EN/Health-News/2010-09-01-671596.shtml

Aug. 31, 2010 -- Babies delivered at 37 or 38 weeks -- or at 42 weeks or later -- are at increased risk for cerebral palsy compared to those born at 40 weeks, a study shows. Still, the absolute risk of developing cerebral palsy is considered extremely low.

The study is published in the Sept. 1 issue of The Journal of the American Medical Association.

The CDC estimates ... ]]> English 2010-9-1 18:42:06 http://www.39kf.com/EN/Health-News/2010-09-01-671595.shtml

Aug. 31, 2010 -- Brain lesions associated with increased multiple sclerosis activity appear in patients more often between the months of March and August, a new study shows.

Researchers also say warmer temperatures and solar radiation also seem to be linked to increased activity in MS patients.

Scientists at Brigham and Women's Hospital in Boston and Washington University in ... ]]> English 2010-9-1 18:41:55 http://www.39kf.com/EN/Health-News/2010-09-01-671594.shtml

Aug. 31, 2010 -- Women who carry the BRCA1 or BRCA2 cancer genes cut their risk of death, breast cancer, and ovarian cancer by getting preventive surgery.

But to reduce their risk, women must make difficult choices:

• They must decide whether to get tested for the BRCA mutations.
• If BRCA positive, they must decide whether to undergo risk-reducing su... ]]> English 2010-9-1 18:41:50 http://www.39kf.com/EN/Health-News/2010-09-01-671593.shtml

  Aug. 30, 2010 (Stockholm) -- A pill that slows the heart rate substantially cut the risk of death and hospital stays for patients with severe heart failure, a study of more than 6,500 patients shows.

  The drug is called Procoralan. It's already used in Europe to treat the severe chest pain of angina, although it’s not approved in the U.S.

  The new study suggests "we should loo... ]]> English 2010-9-1 18:41:33 http://www.39kf.com/EN/pregnancy-and-family/Pregnancy/2010-09-01-671558.shtml

  Aug. 30, 2010 -- Cesarean section deliveries are at an all-time high in the U.S. and are expected to keep rising, and new government-funded research may help explain the trend.

  Nearly one in three babies are now delivered surgically -- up from one in five just over a decade ago.

  Previously recognized contributors to the rise include delayed childbearing, the rising obesity rat... ]]> English 2010-9-1 4:40:12 http://www.39kf.com/EN/Health-News/2010-09-01-671554.shtml

  Aug. 31, 2010 (Stockholm, Sweden) -- When it comes to your heart heath, don't let age alone make you reluctant to run a marathon.

  So say researchers who found that amateur runners over age 50 -- and as old as 72 -- experienced some temporary heart changes, but no lasting damage after the 26.2-mile run.

  "The results are comforting for older runners," says study head Fabian Kneb... ]]> English 2010-9-1 4:39:04 http://www.39kf.com/EN/Health-News/2010-09-01-671553.shtml

  Aug. 31, 2010 -- African-Americans may be at an increased risk for developing life-threatening blood clots after receiving drug-coated stents that are meant to keep their arteries open, new research shows.

  The study is published in Circulation: Journal of the American Heart Association.

  Stents are tiny mesh cylinders that keep arteries from renarrowing after angioplasty... ]]> English 2010-9-1 4:39:02 http://www.39kf.com/EN/pregnancy-and-family/Parenting/2010-08-31-671438.shtml

  Aug. 30, 2010 -- The number of young children treated in hospital ERs for concussions they got while playing on sports teams has doubled in just a decade, a new study shows.

  While the concussion rate is higher among high-school-age athletes, researchers say the rate among younger athletes is both significant and rising.

  The study represents the first attempt to document the ... ]]> English 2010-8-31 18:42:59 http://www.39kf.com/EN/pregnancy-and-family/Parenting/2010-08-31-671437.shtml

  Aug. 30, 2010 -- Kids spend more than seven hours a day glued to the TV or online, where they are bombarded with mixed, unrealistic, and confusing messages about sex, sexuality, and contraception. Parents, pediatricians, and educators need to step up efforts to buck these trends, according to a revised policy statement issued by the American Academy of Pediatrics.

  The new recommendation... ]]> English 2010-8-31 18:42:48 http://www.39kf.com/EN/pregnancy-and-family/Pregnancy/2010-08-31-671436.shtml

  Aug. 30, 2010 -- Cesarean section deliveries are at an all-time high in the U.S. and are expected to keep rising, and new government-funded research may help explain the trend.

  Nearly one in three babies are now delivered surgically -- up from one in five just over a decade ago.

  Previously recognized contributors to the rise include delayed childbearing, the rising obesity r... ]]> English 2010-8-31 18:42:45 http://www.39kf.com/EN/Health-News/2010-08-31-671368.shtml

  Aug. 30, 2010 (Stockholm, Sweden) -- Margarine fortified with omega-3 fatty acids does not appear to protect older men and women who have survived a heart attack from having another heart attack or other cardiac event.

  That's the bottom line of the ALPHA-OMEGA trial of 4,837 heart attack survivors, aged 60 to 80, who spread the enriched margarine on their bread for more than 40 months.<... ]]> English 2010-8-31 18:40:44 http://www.39kf.com/EN/Health-News/2010-08-31-671367.shtml

  Aug. 30, 2010 (Stockholm, Sweden) -- Giving people with chronic heart failure injections of their own bone-marrow stem cells appears to improve their heart function and extend their lives, new research suggests.

  The benefits of the stem cell treatment were apparent within three months and persisted for the five years the patients were followed, says researcher Bodo-Eckehard Strauer, MD,... ]]> English 2010-8-31 18:40:41 http://www.39kf.com/EN/Health-News/2010-08-31-671366.shtml

  Aug. 30, 2010 (Stockholm, Sweden) -- The experimental blood-thinning pill Brilinta works regardless of whether patients have a genetic variant that is often associated with poor outcomes in patients taking the standard medication, Plavix, researchers report.

  "This finding is a real win that strengthens Brilinta's position," study head Lars Wallentin, MD, of Uppsala University in Sweden,... ]]> English 2010-8-31 18:40:40 http://www.39kf.com/EN/Health-News/2010-08-31-671365.shtml

  Aug. 30, 2010 -- Three puffs a day of cannabis, better known as marijuana, helps people with chronic nerve pain due to injury or surgery feel less pain and sleep better, a Canadian team has found.

  ''It's been known anecdotally," says researcher Mark Ware, MD, assistant professor of anesthesia and family medicine at McGill University in Montreal. "About 10% to 15% of patients attending a... ]]> English 2010-8-31 18:40:37 http://www.39kf.com/EN/Health-News/2010-08-31-671364.shtml

  Aug. 30, 2010 -- Scientists have identified the first-ever genetic risk factor for common migraines.

  People who have a specific change, or variation, in a section of DNA that helps control a brain chemical called glutamate have a significantly greater risk of developing migraines, researchers report in this week's issue of Nature Genetics.

  The landmark achievement mar... ]]> English 2010-8-31 18:40:32 http://www.39kf.com/EN/pregnancy-and-family/Pregnancy/2010-08-29-670987.shtml Aug. 27, 2010 -- The number of babies born in the United States declined an estimated 2.6% in 2009 compared to the previous year, the CDC says. And it may be the result of the downturn in the economy.

  The new report, by the CDC’s National Center for Health Statistics, says provisional data indicate that an estimated 4,136,000 babies were born in 2009, compared to 4,247,000 in 2008.

  The report also found that:

  • Births also dropped in 20... ]]> English 2010-8-29 4:41:03 http://www.39kf.com/EN/Health-News/2010-08-29-670896.shtml Aug. 27, 2010 -- Breastfeeding for a month or longer appears to reduce a woman's risk of getting diabetes later in life, according to a new study.

    The breastfeeding and diabetes link has been reported in other studies, according to researcher Eleanor Bimla Schwarz, MD, assistant professor of medicine at the University of Pittsburgh School of Medicine.

    Her study lends more credence to the link, she says. "Moms who had ever breastfed were much less likely to dev... ]]> English 2010-8-29 4:38:55 http://www.39kf.com/EN/Health-News/2010-08-29-670895.shtml

    Aug. 27, 2010 -- It just seems so, but it isn't: Husbands and wives don't become more alike over time.

    That's according to a study published in the August issue of the Personality and Individual Differences.

    Rather than becoming more alike over time, people simply tend to pick mates based on shared personality traits, study researcher Mikhila N. Humbad of MSU tells Web... ]]> English 2010-8-29 4:38:54 http://www.39kf.com/EN/Health-News/2010-08-29-670894.shtml Aug. 27, 2010 -- Middle aged and older adults are interested in sexual activity, but diabetes impairs libido and can result in erectile dysfunction, a new study shows.

    Researchers in Chicago say men diagnosed with diabetes are more likely to express a lack of interest in sex, but also to experience erectile dysfunction.

    Scientists at the University of Chicago Medical Center conducted a study of nearly 2,000 people between the ages of 57 and 85.

    The... ]]> English 2010-8-29 4:38:53 http://www.39kf.com/EN/Health-News/2010-08-29-670893.shtml

    Aug. 26, 2010 -- Inexpensive black rice contains health-promoting anthocyanin antioxidants, similar to those found in blackberries and blueberries, new research from Louisiana State University indicates.

    "Just a spoonful of black rice bran contains more health promoting anthocyanin antioxidants than are found in a spoonful or blueberries, but with less sugar and more fiber and vitamin E ... ]]> English 2010-8-29 4:38:52 http://www.39kf.com/EN/Health-News/2010-08-29-670892.shtml

    Aug. 26, 2010 -- The old adage "two heads are better than one" really is true when both heads are equally competent, new research finds.

    In a study of shared decision-making, researchers from the University College London (UCL) showed that two people of equal abilities solved problems better when they worked together.

    But when a competent person was paired with someone who wa... ]]> English 2010-8-29 4:38:50 http://www.39kf.com/EN/Health-News/2010-08-29-670891.shtml

    Aug. 26, 2010 -- Men who are exposed to high levels of the controversial plastic chemical bisphenol A (BPA) may show a small, but significant increase in blood levels of the male sex hormone testosterone, a study shows. These testosterone levels still remained within the normal range.

    The study is published in Environmental Health Perspectives.

    Some preliminary researc... ]]> English 2010-8-29 4:38:49 http://www.39kf.com/EN/Health-News/2010-08-29-670890.shtml

    Aug. 26, 2010 -- The farms implicated in the nationwide egg recall are indeed contaminated with salmonella, FDA investigators find.

    Fortunately, the FDA earlier this month pressured Wright County Egg and Hillandale Farms -- two Iowa facilities that are part of the same company -- into voluntarily recalling over a half billion eggs. It's by far the largest U.S. egg recall on record.

    ... ]]> English 2010-8-29 4:38:47 http://www.39kf.com/EN/Health-News/2010-08-29-670889.shtml

    Aug. 26, 2010 -- Current tobacco use by middle and high school students has declined over the past decade, but this trend has slowed in recent years and more work is needed to combat the problem, the CDC says.

    The CDC, reporting in its Morbidity and Mortality Weekly Report, says comprehensive anti-tobacco programs need more funding and that the federal government should enforce le... ]]> English 2010-8-29 4:38:46 http://www.39kf.com/EN/Health-News/2010-08-26-670561.shtml

    Aug. 25, 2010 -- People with insulin resistance or type 2 diabetes may be at increased risk for developing telltale brain plaques that are closely linked to Alzheimer's disease, a study shows.

    The new findings, which appear in the Aug. 25 issue of Neurology, may give more evidence of the connection between diabetes and Alzheimer's disease.

    In insulin resistance, the h... ]]> English 2010-8-26 21:33:22 http://www.39kf.com/EN/Health-News/2010-08-26-670560.shtml

    Aug. 25, 2010 -- It's no cure, and it works only for about half of melanoma patients, but a new drug extends progression-free survival in patients dying of advanced melanoma.

    The vast majority of patients with advanced, metastatic melanoma gain only a few months extra survival from standard treatment. But early tests show that an experimental drug, dubbed PLX4032 by Plexxikon and Roche ... ]]> English 2010-8-26 21:33:20 http://www.39kf.com/EN/Health-News/2010-08-26-670559.shtml Aug. 25, 2010 -- Fibers from broccoli and plantain plants may block a key stage in the development of Crohn’s disease, a new study finds.

    Crohn’s is an inflammatory bowel disorder that affects about seven of every 100,000 people in North America.

    Researchers in Europe tested soluble fibers from broccoli, plantains, leeks, apples, and the food processing additives polysorbate 60 and 80. They wanted to see if the fibers could reduce the movement of ?E. coli... ]]> English 2010-8-26 21:33:19 http://www.39kf.com/EN/Health-News/2010-08-26-670558.shtml

    Aug. 25, 2010 -- Overeating even for short periods of time appears to have long-term effects, according to a new study that lends some scientific oomph to the old saying about "a moment on the lips, forever on the hips."

    ''Our study suggests that a short period of hyper-alimentation [overeating] can have later long-term effects by increasing body weight and fat mass in normal-weight ind... ]]> English 2010-8-26 21:33:18 http://www.39kf.com/EN/Health-News/2010-08-26-670557.shtml

    Aug. 25, 2010 -- Corneas made in the lab using genetically engineered human collagen could restore sight to millions of visually impaired people waiting for transplants from human donors, researchers say.

    In a newly released study, investigators from Canada and Sweden reported results from the first 10 people in the world treated with the biosynthetic corneas.

    Two years afte... ]]> English 2010-8-26 21:33:16 http://www.39kf.com/EN/Health-News/2010-08-26-670556.shtml

    Aug. 24, 2010 -- Feeling stressed out in the weeks preceding your menstrual cycle may raise your risk for experiencing more severe premenstrual syndrome (PMS) symptoms, a study shows.

    Women who reported high levels of stress in the two weeks before they got their period were two to three times more likely to experience depression, sadness, and crying spells as well as physical PMS sympt... ]]> English 2010-8-26 21:33:11 http://www.39kf.com/EN/Health-News/2010-08-26-670555.shtml

    Aug. 24, 2010 -- Evidence is accumulating that migraines with aura -- a transient visual or sensory disturbance, such as light flashes or zigzag patterns-- may increase the risk of heart disease and stroke.

    Researchers have also found that migraine with aura seems to boost the risk of earlier death from any cause, including cardiovascular disease, compared to those who don’t have the c... ]]> English 2010-8-26 21:33:08 http://www.39kf.com/EN/Health-News/2010-08-26-670554.shtml

    Aug. 24, 2010 -- Nearly half of all Americans take at least one prescription drug on a regular basis, and they have concerns ranging from economics to safety to whether the doctor prescribing the drug is unduly influenced by pharmaceutical companies, according to a new poll.

    Consumer Reports National Research Center conducted the poll, in which 2,022 adults aged 18 and older were survey... ]]> English 2010-8-26 21:33:06 http://www.39kf.com/EN/Health-News/2010-08-26-670553.shtml

    Aug. 24, 2010 -- A study of patients enrolled in a large HMO finds no evidence that the diabetes drug Avandia is riskier than Actos, a similar medication.

    The findings are in striking contrast to four other large studies with similar designs. Data from those studies suggest that Avandia increases risk of heart attack in younger patients and risk of death in older patients.

    T... ]]> English 2010-8-26 21:32:55 http://www.39kf.com/EN/Health-News/2010-08-26-670552.shtml

    Aug. 24, 2010 -- Zemco Industries of Buffalo, N.Y., has voluntarily recalled about 380,000 pounds of deli meat products distributed nationwide to Walmart stores because of possible contamination with the bacterium Listeria monocytogenes. Such bacteria can cause listeriosis, a rare but potentially deadly disease.

    The U.S. Department of Agriculture's Food Safety and Inspection Serv... ]]> English 2010-8-26 21:32:47 http://www.39kf.com/EN/Health-News/2010-08-26-670551.shtml

    Aug. 24, 2010 -- Middle-aged and older adults who drink a moderate amount of alcohol daily may live longer than people who abstain or drink heavily, according to a new study.

    Moderate drinking is defined as one to less than three alcoholic drinks per day. Such behavior has been shown to decrease total mortality in middle-aged and older adults, but some say the health benefits have been ... ]]> English 2010-8-26 21:32:46 http://www.39kf.com/EN/pregnancy-and-family/Parenting/2010-08-25-670380.shtml

    Aug. 23, 2010 -- Sledding is popular for only a portion of the year, yet it lands about 20,000 children in the emergency room each year, new research shows.

    Researchers analyzed data for 1997-2007 from the Center for Injury Research and Policy of the Research Institute at Nationwide Children’s Hospital in Columbus, Ohio. They found an estimated 229,023 injuries serious enough for ER tre... ]]> English 2010-8-25 4:41:27 http://www.39kf.com/EN/pregnancy-and-family/Pregnancy/2010-08-25-670379.shtml

    Aug. 24, 2010 -- Taking certain antiviral medications for herpes infections during the first three months of pregnancy does not increase a child's risk of major birth defec... ]]> English 2010-8-25 4:41:24 http://www.39kf.com/EN/Health-News/2010-08-25-670327.shtml

    Aug. 24, 2010 -- Adults who take medicine for attention deficit hyperactivity disorder (ADHD) may benefit from adding cognitive behavioral therapy, a new study says. Doing so may yield better results than using medication alone.

    Cognitive behavioral therapy appears to significantly reduce symptoms associated with ADHD, such as inattention, hyperactivity, and impulsivity, the researchers ... ]]> English 2010-8-25 4:39:29 http://www.39kf.com/EN/Health-News/2010-08-24-670277.shtml

    Aug. 23, 2010 -- As the nation's largest egg recall continues, the FDA investigation is focusing on the huge egg farms in Iowa owned by Austin "Jack" DeCoster.

    The CDC continues to receive new reports of salmonella illness from the strain of the bacteria implicated in the egg recall. Since May, there have been about 1,300 more confirmed cases of food poisoning with this strain than are ... ]]> English 2010-8-24 18:42:54 http://www.39kf.com/EN/Health-News/2010-08-24-670276.shtml

    Aug. 23, 2010 -- There is now biologic evidence to back up the belief that vitamin D may protect against autoimmune diseases and certain cancers.

    A new genetic analysis lends support to the idea that the vitamin interacts with genes specific for colorectal cancer, multiple sclerosis, type 1 diabetes, and other diseases, says Oxford University genetic researcher Sreeram Ramagopalan.

    ... ]]> English 2010-8-24 18:42:52 http://www.39kf.com/EN/Health-News/2010-08-24-670275.shtml

    Aug. 23, 2010 -- Compounds found in various berries and possibly in walnuts may slow down natural aging processes in the brain, new research indicates.

    What's more, blueberries, strawberries, and acai berries may help the aging brain in a crucial but previously unrecognized way, according to a study presented at the National Meeting of the American Chemical Society in Boston.

    <... ]]> English 2010-8-24 18:42:49 http://www.39kf.com/EN/Health-News/2010-08-24-670274.shtml

    Aug. 23, 2010 -- Scientists report that within eight hours of drinking cranberry juice, the juice could help prevent bacteria from developing into an infection in the urinary tract.

    Previous studies have suggested that the active compounds in cranberry juice are not destroyed by the digestive system after people drink them, but instead work to fight against bacteria, including E. coli. This la... ]]> English 佚名 2010-8-24 18:42:47 http://www.39kf.com/EN/Health-News/2010-08-24-670273.shtml

    Aug. 23, 2010 -- Drinking water before each meal has been shown to help promote weight loss, according to a new study.

    Brenda Davy, PhD, an associate professor of nutrition at Virginia Tech and senior author of a new study, says that drinking just two 8-ounce glasses of water before meals helps people melt pounds away.

    The study is being presented at the 2010 National Meetin... ]]> English 2010-8-24 18:42:45 http://www.39kf.com/EN/Health-News/2010-08-24-670272.shtml

    Aug. 23, 2010 -- A virus called XMRC may be linked to chronic fatigue syndrome (CFS), a study shows.

    The full name of the virus is xenotropic murine leukemia virus-related virus. It is part of a family of viruses known as murine leukemia viruses (MLV), which is a type of retrovirus known to cause cancer in mice.

    The new study, published in the Proceedings of the National ... ]]> English 2010-8-24 18:42:43 http://www.39kf.com/EN/Health-News/2010-08-24-670219.shtml

    Aug. 23, 2010 -- The incidence of rectal cancer increased 3.8% per year between 1984 and 2005 among people 40 and younger, according to a new study. The incidence of colon cancer remained unchanged.

    Researchers led by Joshua Meyer, MD, a radiation oncologist at Fox Chase Cancer Center in Philadelphia, used data from the Surveillance, Epidemiology, and End Results (SEER) cancer registry t... ]]> English 2010-8-24 4:38:54 http://www.39kf.com/EN/Health-News/2010-08-24-670218.shtml

    Aug. 23, 2010 -- Bottled tea may be all the rage among health-conscious people, but it may not have as many health benefits as you think.

    Bottled tea is billed as being healthful because it contains polyphenols, antioxidants that may help ward off a range of diseases, including cancer.

    But scientists say they’ve found that many of the popular bottled tea drinks contain fewer... ]]> English 2010-8-24 4:38:52 http://www.39kf.com/EN/Health-News/2010-08-23-670117.shtml

    Aug. 20, 2010 -- It's the biggest egg recall in recent memory. Eggs contaminated with salmonella have sickened thousands of Americans.

    What do you need to know? Here is WebMD's FAQ on the ongoing egg recall and salmonella outbreak.

    Why are the eggs being recalled?

    As early as April, states began noticing an unusual number of cases of salmonella food poisoning du... ]]> English 2010-8-23 4:39:31