Successful Cancer Therapy May Doom Later Treatments To Failure
...48 hours in a testosterone-dependent tumor. "That tells you that you just can't make a drug and expect it to work on alltumors," says Jain. Sue Hobbs and Wayne Monsky, an MD-PhD student andpostdoctoral fellow, respectively, in Jain's lab, are lead authors on the paper. The study casts new light on...PITT Researchers Demonstrate Human Brain's Natural Mechanism For Guarding Against Errors
... in the left. TheACC detects this competition and tells the brain to pay attention before its laxexecutive control allows the driver to make a catastrophic error. "Until now, we didn't know what type of mechanism the brain employed tomonitor its own performance and regulate behavior," continued Dr...Health Risk To "Cigarette Babies" Is Neglected, Duke Scientist Charges
...very largenumbers until the second trimester. This tells us that if we're going tointervene with the transdermal patch or other nicotine-based therapies, thefirst trimester is the time to do this. "Unfortunately, most obstetricians now first counsel and cajole theirpatients to quit smoking, and the...Crystal Structure Of gp120 Reveals HIV In Action
...na-Farber Cancer Institute. "The crystal structure tells ushow the virus is able to bind to the receptor at the same time that it remainssufficiently changeable to avoid immune detection. There is the potential forthe information to be used to design compounds that interfere and block thatinteraction," sa...Many Gay Men Infected With HIV Are Opting To Delay Treatment, Despite Availability Of Drugs
... 50 to 60 percent takingcombination therapy. This tells me that even low-income gay men can get drugsif they push the system." One significant finding was the link between individuals using combinationtherapy and those with advanced HIV infection. The study showed that CD4 T cellcounts--which are lower i...New Book (And Web Site) Use 'Currency' Of Aging To Guide And Motivate Healthy Choices
...y suggestsways for readers to become "younger" but tells them exactly how much differenceeach health decision, or combination of decisions, will make. "RealAge: Are You as Young as You Can Be?" by Dr. Michael Roizen, chairmanof anesthesiology and critical care at the University of Chicago, consolidatesthe ...The Whole Truth From Five-Year-Olds
...heboys at home" (a social worker). "The prosecutor tells the witness that one childis telling the truth and one child told a lie andasks the witness to identify which child 'is gonnaget in trouble,'" Lyon says. By varying the questions and repeating both tasksfour times, the prosecutor can reduce to less t...Analyze This: New Book Examines Shrinks On Screen
... in the book's foreword."Psychiatry and the Cinema tells the story of how the movie industry took theprofession of psychiatry and transformed it into a hybrid that joined thefantasies of the public with its own quest for profit." Glen Gabbard, M.D. is a professor in the Karl Menninger School at the Mennin...To Drive Or Not To Drive? New Criteria For Those With Epilepsy
...ns Hopkins and the University of Maryland,however, tells how epilepsy patients and their physicians can assess chances ofhaving an auto accident due to seizures. The study, in this month's issue of Neurology, is the first to examinespecific seizure risk factors and link them with driving mishaps...NHLBI Urges Americans To Take Control Of Their Hypertension
...ling High Blood Pressure: A Woman's Guide, which tells how tolower high blood pressure. A guide in Spanish also is available. Facts About How to Prevent High Blood Pressure. This fact sheet givesan overview of hypertension. Special booklets series for African Americans and Latinos on how topreven...Using spatial illusion to learn how the brain processes sound
... neuron directly," said Xu. "In effect,the neuron tells us where the cat believes the sound is coming from." "The auditory systems in humans and cats appear to use the same spectral soundcharacteristics to determine sound locations," Middlebrooks said. "We interpretthese results as evidence that the firi......d by differentreceptors is the same, and the brain tells the signals apart by knowing whichnerve cells they are coming from. This model grew out of Lancet's hunch that the olfactory system might functionin a way similar to the immune system, which also needs torecognize a huge array of foreign molecules. T...One in seven adolescents still doesn't have health insurance
...ey need a doctor. "To me that's the red flag that tells us this group is not getting the care theyneed," Irwin said. Uninsured adolescents with unmet health needs missed out on dental care,prescription drugs, eyeglasses and sometimes basic medical care. A Shift From Private to Public Insurance The UCSF...Study reveals how brain controls eating in normal rats
... apparently linked leptin to eating. The new study tells how that pathway may work. Using two genetic markers of leptin action and nerve cell activity, the researchers have shown that two distinctive groups of cells in one part of the hypothalamus respond in opposite ways to leptin. Specifically, they've......would probably soon have one. "From what our study tells us, hospital physicians in Latin America take a muchmore conservative approach to treating patients with a heart attack than dodoctors in North America, and this could be one of the factors associated with poorer patient survival," said the study's l...New book asks ethical questions about human subjects research
...ith human subjects," King says. Another case study tells what happened when an anthropology graduate student began to study a particular Jewish community in Curacao. "The community leaders said to him, 'We want a big say in what you do.' He faced the question of whether and how to change from the familiar ......f Medicine. "Solving the structure of this protein tells us a great deal about how it works. It also explains very specifically, at the atomic level, why factor VIII doesn't work in many people with hemophilia A," says Stoddard, a member of the Hutchinson Center's Basic Sciences Division and an affiliate a......at it does and where its important parts are, this tells you where to start looking. It narrows down the search before you even begin," says Foote, who also found a strong correlation between axes of inertia and molecular regions used to bind DNA, protease inhibitors and virus proteins. "The principal axes......sion s it happens, and watch it grow. If the image tells us that the lesion isn't big enough, we can go back to the same spot and deliver another burn." Fewer and more precise and effective lesions should reduce the overall costs of the surgery, says Lardo. The time to perform the procedure should be re......ls release a chemical signal called glutamate that tells connected neurons to release dopamine. The more these nerve cells are excited, the more dopamine is released and the more pleasant the feeling. In this paper, the researchers looked at the effects of nicotine on nerve cells that use a different che...