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UPI - A Dutch fertility expert is trying to spread the word that couples wanting to conceive shouldn't seek help from drugs or procedures too quickly. Dr. Egbert te Velde, head of the Department of Reproductive Medicine at the Utrecht Medical Centre, says natural conception can easily occur outside the year of regular intercourse that many people have adopted as standard. Combined with increasing numbers of competing clinics, says te Velde, many couples are simply pressing for assisted reproductive technology too soon. He advises, "Before considering treatment, couples should be counselled about their chances of conceiving spontaneously. ART is not without complications and side effects," such as possible repercussions of ovarian hyperstimulation and risk of multiple births.
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| UPI-Medical researchers can now show that how you feel about aging as you get older influences the health of your heart. In what they call "the first study of its kind," investigators led by epidemiologist Becca Levy of Yale School of Medicine found that exposing study participants to positive ideas about aging lowered their blood pressure readings during times of mild stress. Conversely, those exposed to negative ideas about aging subsequently registered higher values of systolic and diastolic blood pressure. Levy's team structured the 54-participant study to deliver subliminal messages via flashes of words across a computer screen. Positive words included "wisdom" and "creative," and negative words included "senile" and "dying." Levy says, "The study suggests that negative stereotypes of aging may contribute to health problems in the elderly without their awareness." She and her team publish the findings in the Journal of Gerontology.
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UPI- A nationwide survey of children and their parents has found that most kids would choose enduring a shot to prevent chickenpox over acquiring immunity the old-fashioned way: enduring the itchy spots themselves. According to the survey, seven out of 10 children rated chickenpox as worse than having a cold, earache or other common ailments. Four out of 10 reported chickenpox made them "upset," often because they missed out on social activities or school in addition to feeling sick. The verdict of seven out of 10: they'd prefer taking the shot. The survey also indicated that many parents are not aware of the virus's potential complications, including pneumonia, bacterial infection and neurological problems. The varicella, or chickenpox, vaccine was approved by the U.S. Food and Drug Administration five years ago and is recommended by most medical organizations. The survey was conducted by Yankelovich Partners, Inc. for the National Association of Pediatric Nurse Associates and Practitioners.
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UPI- A report examining prescription drug costs last year finds the average cost of a prescription rose 9.6 percent. Older patients are being hit even harder, however-their costs rose a record 17.4 percent. The 1999 Drug Trend Report, presented by pharmacy benefit manager Express Scripts Inc, points to a number of reasons for the jumps. In addition to higher prices, patients are also receiving more pills per prescription than previously. Changes in chemical composition, including strength and dosage forms, are partially responsible for the price hike as well. Barrett Toan, Express Scripts chief executive offier, says the St. Louis-based company predicts prescription drug costs will nearly double over the next five years. Toan champions a responsibly run program for prescription drug coverage among seniors. All rights reserved. |
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| By MIKE SANTANGELO, CHICAGO, June 27 (UPI)
Painless heart attacks may be more deadly
and more common than you think, researchers say. All rights reserved. |
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| TORONTO,UPI June 22 (UPI)
Fatherhood may in fact come naturally.
Just as women's hormone levels change as they are about to become
mothers, male hormone levels shift significantly throughout the course
of their wives' pregnancy, researchers are reporting. All rights reserved. |
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| TORONTO, UPI,June 22 (UPI)
Three newly discovered genes may play a
role in protecting the kidneys of people with diabetes from damage,
researchers reported at a major endocrinology meeting. The findings may
be the first step in developing therapies to hold kidney failure at bay
in people with diabetes, they said. All rights reserved. |
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| B MONTREAL,UPI, June 23 (UPI)
Finding reliable information on migraine
from Internet sources can be, well, a headache.
All rights reserved. |
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| WASHINGTON, UPI, June 23, 2000
Two new studies suggest that a single
medication may protect against heart attack at the same time that it can
reduce by half the risk of fractures associated with osteoporosis, a
finding that has taken osteoporosis experts by surprise. |
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| CHICAGO, June 14 (UPI)
After contentious debate that spilled
over two days, doctors at the American Medical Association annual
meeting voted Wednesday to have the AMA seek legislation to restrict
pharmacists and other non-physicians from performing and/or interpreting
medical tests. All rights reserved. |
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| SAN FRANCISCO, June 14 (UPI)
The much publicized telomerase enzyme,
shown to extend cells' lifespan, may have a link to cancer, researchers
report. All rights reserved. |
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| SAN FRANCISCO, June 16 (UPI)
Residents of key industrial nations are
expected to live longer than anticipated by their governments whose,
underestimates of longevity may have social and economic repercussions,
researchers report. The overly conservative official mortality forecasts
may carry implications of overextensions in health services and
shortfalls in pension provisions, said the scientists from Mountain View
Research in Los Altos, Calif., who analyzed 50 years of data on death
rate decline in the so-called Group of 7 nations. All rights reserved. |
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| NEW YORK, June 16 (UPI)
The encephalitis virus was detected in New
York City in a June 8 blood test and if a second test proves positive over
the weekend, pesticide spraying to kill mosquitoes may begin Monday night.
"We are waiting for confirmation on the blood test from the Centers
for Disease Control (in Atlanta)," said Dr. Neil Cohen, the New York
City's health commissioner. All rights reserved.
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| CHICAGO, June 12 (UPI)
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| SAN ANTONIO, Texas, June 12 (UPI)
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| SAN ANTONIO, June 10 (UPI)
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| By ALEX CUKAN, UPI
Copyright 2000 by United Press
International. |
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Researchers at Children's Hospital Medical Center of Cincinnati have identified a critical pathway that plays a key role in the development of food allergy. The discovery, published in the June 6 edition of Proceedings of the National Academy of Sciences, could lead rapidly to clinical trials of new drugs. They found that the inflammatory response involved in allergic intestinal inflammation is governed by eotaxin, a protein. Eotaxin belongs to a family of molecules called chemokines, which acts to recruit eosinophils, a type of cell normally found in the blood, into inflammatory tissue. "Since agents that block eotaxin and similar chemokines are being actively developed by a number of pharmaceutical companies, these studies provide impetus for rapidly applying these new drugs to gut allergy," says Dr. Marc E. Rothenberg, the study's senior author. Allergic diseases have reached epidemic proportions, inflicting nearly 30 percent of the population of most countries throughout the world a doubling in recent decades. All rights reserved. UPI |
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Two antibodies, produced naturally by the human body, have the power to repair damage to the central nervous system according to scientists at the Mayo Clinic. The finding may open a new door in the search for treatments for multiple sclerosis and other paralyzing illnesses. In a study appearing in Tuesday's issue of the Proceedings of the National Academy of Sciences, researchers appeared to repair damage to the myelin sheath. The myelin sheath is a a coating consisting of a white fatty substance that protects the spinal cord in the same way insulation protects electrical wire. Damage to myelin, from accident or from disease, can prevent nerve impulses from passing through, leading to numbness, weakness and paralysis. "In the past it was thought that damage to myelin was permanent, and repair to myelin was not possible, but now, we know that antibodies, found in all of us, can be used for myelin repair," says neurologist Moses Rodriguez. All rights reserved. UPI |
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Scientists say they have geneticallyaltered the polio virus and turned it into a weapon against brain cancer. In a report in Tuesday's issue of the Proceedings of the National Academy of Sciences, a team of cancer nvestigators replaced part of the polio virus with one of the bugs that cause common colds -- a rhinovirus. The altered polio virus was designed to bypass healthy tissues of the central nervous system, and head straight for the cancer. The gene-altered polio virus was injected into 25 mice with the brain tumor -- malignant gliomain. In 18 mice, the tumors disappeared after a single injection. However, in a commentary on the study, Eric Holland of the Houston-based M.D. Anderson Cancer Center, says that this is not the first time scientists have used viruses to kill brain cancers. One method, involving the use of a herpes virus looked promising in animal studies, but failed in human trials. All rights reserved. UPI |
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Internal bleeding is only currently treatable through surgery, but that carries its own risks. Soon, physicians may be able to use high intensity ultrasound beams to treat internal injuries, according to a report in this week's New Scientist. A team from the University of Washington in Seattle has found that these beams can accelerate natural clotting mechanisms, sealing up wounds without harming tissue. The sound waves cause increased movement of the blood, which simulates an open wound environment and causes platelets to respond by sticking to membranes and each other, and thus initiating clotting. The technique could provide an alternative when cauterizing internal wounds is too dangerous. "It's a phenomenon we are really excited about," says team member Lawrence Crum. All rights reserved. UPI |
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In the same way that Pap smears have slashed the incidence of cervical cancer by 80 percent, scientists say a similar test could save the lives of thousands of gay men in the earliest stages of anal cancer. A cause of both types of cancer is human papillomavirus, a viral infection that is transmitted sexually. Dr. Sue Goldie and colleagues at the Harvard School of Public Health say the swab is a simple and inexpensive procedure. Should its results come back positive for abnormal or cancerous cells, the early detection would likely allow removal of any lesions before the cancer becomes serious. Each year, some 35 gay men per 100,000 develop anal cancer -- approximately the pre-Pap statistics for cervical cancer, the researchers say. Their study is published in the American Journal of Medicine. ELIZABETH MANNING, UPI All rights reserved |
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A study published in the New England Journal of Medicine concludes that newspaper and television reporters aren't doing a good job when it comes to describing new drugs. Co-author Lisa Bero says, ""The media perform a vital service to the public when they accurately report drug benefits and risks and when they identify potential conflicts of interest of experts quoted." Unfortunately, continues the University of California, San Francisco, pharmacy professor, 40 percent of 207 randomly selected stories did not quantify a drug's benefits at all. And of those that did, 83 percent couched them in relative and misleading terms such as "a 50 percent reduction" rather than absolute terms such as "a reduction from 2 to 1 percent." The researchers also say 53 percent of the stories did not describe potential side effects or complications. Finally, the study found that 60 percent of news reports did not mention any financial ties, possible conflicts of interest, between an expert cited andthe new drug. ELIZABETH MANNING, UPI All rights reserved |
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Doctors may soon be able to recreate the 'feel' of their patients for further reflection, to get a second opinion or to teach students, say engineers at the University at Buffalo. Thenkurussi Kesavadas and colleagues say it's all about virtual reality. Physicians will don a custom-made glove containing sensors in its fingertips. "While the physician is doing a palpation on a patient, the computer -- through the VR glove -- is picking up all the information about what anatomic-force characteristics the doctor's finger is feeling," says Kesavadas. Once in the computer, doctors can recreate the examination whenever they like. The research team will describe their progress at the World Congress on Medical Physics and Biomedical Engineering in July, but hope to have some devices available within about three years. ELIZABETH MANNING, UPI All rights reserved |
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Now for a silver lining around a miserable cloud: Evolutionary biologists studying pregnancy outcomes suggest that morning sickness may be nature's way of protecting an unborn child from pathogens or chemicals its mother may ingest. Samuel Flaxman and PaulSherman of Cornell University report their study in the Quarterly Review of Biology. They say their analysis found that women who experienced morning sickness -- particularly those who actually vomited in addition to feeling nauseated-were significantly less likely to miscarry than those who did not. The researchers point out that symptoms typically peak in the very weeks that the fetus is undergoing its most crucial development. Their hypothesis may also explain why many pregnant women develop an aversion to meat, eggs and certain vegetables -- menu items that might harbor food-borne illnesses or natural plant toxins. Flaxman says, "We should change the name to wellness insurance," while noting that many healthy babies are born to women blissfully unacquainted with morning sickness. ELIZABETH MANNING, UPI All rights reserved |
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Updated 29 August 2005 |