The gender effect: fatherhood spurs men to work longer hours -- especially if it's a boy!
... But even with the causes still unclear, the study breaks new ground by documenting the effect of parenthood on mens work life and the significant difference between fathers of boys and girls. The researchers used data from the U.S. Panel Study of Income Dynamics on more than 1,200 men, from 1968 through...Castagnolis discover compound in tobacco that may protect against Parkinson's disease
...a compound in tobacco that inhibits an enzyme that breaks down key brain chemicals. Parkinson's disease, a ... oxidase (MAO)," Kay Castagnoli said. MAO normally breaks down neurotransmitters such as dopamine, serotonin, and norepinephrine. Since the Castagnolis had al...Dietary bioflavonoids induce DNA breaks, may contribute to infant leukemia
... ordinarily considered quite beneficial, can cause breaks in DNA that could trigger the development of infan... that 10 out of the 20 bioflavonoids tested caused breaks in one small region of a gene known as MLL, which is a key player in about 80 percent of infant leuk...Tobacco chemical protects against Parkinson's disease
...in known as monoamine oxidase (MAO). MAO typically breaks down neurotransmitters - including dopamine, serotonin, and norepinephrine - as part of normal chemical activity in the brain. In their study, the Virginia Tech researchers administered MPTP, a designer drug that produces a Parkinson-like disease,...New plastic heals damaged nerves
...h a tube made of the new biomaterial. As the sugar breaks down inside the body, its by-products stimulate bl...Over a period of two to six weeks, the biomaterial breaks down as the nerve begins to grow. The nerve continues growing even after the plastic has degraded, r...Duke geneticists unraveling the tangled web of autism
...autism are introduced when a piece of a chromosome breaks apart and recombines during the formation of sperm and eggs," said Pericak-Vance. "As a result some children with autism have an extra copy of a piece of chromosome 15 and in some, the piece is missing. We believe the gene or genes responsible for th...HIV's deep pocket may reveal vulnerability
...eptide, is not asuitable drug candidate because it breaks down too quickly in the blood stream,Harrison said. Instead, the researchers coupled that small fragment of gp41 to each of the61,000 small molecules, reasoning that the small fragment might "lead" the restof the molecule to the ultimate target -- t......nsferred across the placenta to the infant, and it breaks downslowly. For these reasons, it was thought that even a single dose to the motherand infant might provide enough protection to the baby during the time ofexposure to HIV at birth. In March 1996, nevirapine was licensed in the UnitedStates for tre...Component of aspirin prevents antibiotic-induced deafness
...d called2-hydroxybenzoate or salicylate. "Aspirin breaks down to salicylate in the bodywithin 15 to 20 minutes," Schacht said. In the current study, one group of guinea pigs received injections ofgentamicin. Another group received gentamicin and salicylate. A control groupreceived saline solution. All...Should Doctors Urge Patients To Take Breaks From Their Drugs?
...n his blood arenegligible. Lori thinks the breaks in treatment allowed a CTL response strong enoughto contain the virus. He is conducting tests on monkeys and so far his resultsback this theory. Animals infected with SIV, a related virus, have kept it atundetectable levels in their blood for 145 day...Novel Therapy To Treat Lung Cancer Patients Enrolling Patients At UCSF Cancer Center
...mical, called Matrix Metalloproteases (MMPs), that breaks downthe material between cells to make room for new cellular growth. There is good reason for enthusiasm about this drug because the preliminarydata looks favorable and suggests that MMPs inhibitors (MMPIs) are effective inslowing tumor growth, sai...Controlling Collagen Levels May Be Key To Fighting Organ Failure Caused By High Blood Pressure
...excess collagen and not enough of the chemicalthat breaks it down in individuals with high blood pressure. The study alsoprovides a possible reason for the effectiveness of ACE-inhibitor drugs: Theycan help prevent the build-up of collagen and, in turn, the failure of theseorgans. Collagen is a vi......aque.Myocardial infarction can ensue if the plaque breaks free from the vessel wall. For further information "Activation of human aortic smooth muscle cells is inhibited by PPARa but notby PPARg activators." B. Staels*, W. KoenigY, A. Habib#, R. MervalS, M. Lebret#, I. Pineda Torra*, P.Delerive*, A. Fadel*,...Drug's Effect On Chromosomes May Explain Second Cancers
...o the cell. Topo II does this by making temporary breaks in DNA to allow anotherDNA strand to pass through ...redicted that most topo-II inhibitors should cause breaks in telomeres.To test their prediction, they constructed fragments of DNA that ended withtelomeres of...Stress: It's Not Just All In Your Head; Scientists Map The Wear And Tear Of Daily Life
...ost effective, along with a prudent diet. Exercise breaks insulinresistance and often helps to end the vicious cycles of stress-eating,over-indulging in alcohol , cigarette smoking and other unhealthy habits." But McEwen's advice comes with a caveat: exercise won't help everyonewithout also dealing with ot...New Ultrasound Technique Is Alternative To Cerebral Angiography
...he brain. Stroke occurs when a piece ofthis plaque breaks off and lodges in a smaller blood vessel, shutting off theflow of blood to that part of the brain. Stroke also can happen when the carotiditself is completely blocked. A person whose artery is 70 percent blocked or more has four times therisk...... "The core virus canbe stored until a flu epidemic breaks out and then 'retrofitted' with an outercovering that matches the virus causing the epidemic," Maassab explained. Maassab, who was a research assistant for Dr. Thomas Francis Jr., founderof the U-M epidemiology department, received his Ph.D. ...