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Tag: "adults" at biology news

Female sex hormones play a vital role in defense against sexually transmitted diseases

...mportant because one in every four sexually active adults is seropositive for HSV-2 and women are much more susceptible than men. "The results directly indicate that the hormonal conditions that provide protection against primary exposure to sexually transmitted viral infections may be very different than ...

Enzyme allows B cells to resist death, leading to leukemia

...tic leukemia (B-CLL)is the most common leukemia in adults and is characterized by theprogressive accumulation of mature B lymphocytes in the blood, bonemarrow, and lymphatic tissues. It is believed that in the early stagesof disease, B-CLL is the result of an undefined defect in theprogrammed signals that t...

Discovery of key protein's shape could lead to improved bacterial pneumonia vaccine

...aid.Current pneumonia vaccines designed to protect adults against more thantwo dozen strains of S. pneumoniae do not work in young children. Adultvaccines are composed of pieces of carbohydrates naturally appearing onthe surface of these bacteria. When used in a vaccine, these pieces ofcarbohydrate stimulat...

Study: Soap And Water Work Best In Ridding Hands Of Disease Viruses

...bacteria and virus remained afterwards. Sixty-two adults volunteered for and participated in the study. Investigators performed five evaluations on each of the 14 agents. The N.C. Statewide Program for Infection Control and Epidemiology supported the research. ...

New comparative toxicogenomics database

...aid.Current pneumonia vaccines designed to protect adults against more thantwo dozen strains of S. pneumoniae do not work in young children. Adultvaccines are composed of pieces of carbohydrates naturally appearing onthe surface of these bacteria. When used in a vaccine, these pieces ofcarbohydrate stimulat...

Placenta Is A Rich Source Of Blood Stem Cells

...e its discoveries have benefited both children and adults for over 136 years. More than 500 scientists, including eight members of the National Academy of Sciences, nine members of the Institute of Medicine and 10 members of the Howard Hughes Medical Institute comprise Children's research community. Founded...

NIAID Initiates Trial of Experimental Avian Flu Vaccine

...lity to generate an immune response in 450 healthy adults aged 18 to 64. If the vaccine is shown to be safe in adults, there are plans to test it in other populations, such as the elderly and children. H5N1 avian influenza leads to severe disease in both birds and humans. Between January 2004 and March 11,...

Bird Brains Show How Trial and Error May Contribute to Learning

...alk by listening to themselves and others, and how adults learn and hone new motor skills, such as tennis. The process relies on feedback about what works and what doesn't, also called experience-dependent or performance-based learning. "That all requires paying attention to how we're doing, experimenting ...

FDA Approves New Drug to Treat Type I and Type II Diabetes

... an injectable medicine to control blood sugar for adults with type 1 and type 2 diabetes. Symlin is to be used in addition to insulin therapy in patients who cannot achieve adequate control of their blood sugars on intensive insulin therapy alone. Symlin will be the only therapy for the treatment of type ...

Vascular structure and function improve with diet and exercise

... are followed for one year. One in three American adults has high blood pressure and two-thirds to three-fourths of people with diabetes mellitus die of some form of heart or blood vessel disease, according to the American Heart Association. "For both of these groups, their lifetime risk of developing hyp...

Children's taste sensitivity and food choices influenced by taste gene

...two bitter-insensitive alleles (AA). Children and adults with two bitter-sensitive alleles (PP) were more s... than adults, with 64% of children but only 43% of adults able to detect bitterness in the weakest PROP solution. "This type of information will one day help...

Rats infected as newborns grew up vulnerable to memory problems during an immune challenge

...n newborns can disrupt memory in immune-challenged adults may help scientists to understand how exposure to ...nd potential mate locations." Bilbo stresses that adults rats who were not infected as pups do not suffer memory impairment as the result of adult infection,...

Asthma gene clusters identified

...rray technology have been conducted using RNA from adults with asthma, but this approach has not been succes...sthma begins in childhood, the genes identified in adults may not reflect genes involved in childhood asthma, she said. This study exclusively focused on gen...

Epstein-Barr virus protein crucial to its role in blood cancers

...infectious mononucleosis. As many as 95 percent of adults 20 years and older have been infected with EBV, but show no symptoms. "Viruses that are associated with cancers typically target the cell cycle to gain control," says Robertson. "However, this is the first time that laboratory research into how EBV ...

Defensins neutralize anthrax toxin

...infectious mononucleosis. As many as 95 percent of adults 20 years and older have been infected with EBV, but show no symptoms. "Viruses that are associated with cancers typically target the cell cycle to gain control," says Robertson. "However, this is the first time that laboratory research into how EBV ...

Gene Therapy Cures Inherited Liver Disease In Rats

... does not think that cure would be possible in all adults with this technique, he does think it poses a real promise for long-term alleviations of the toxic symptoms of these kinds of diseases. The treatment could be repeated when needed. The treatment used a specially developed adenovirus to carry the gen...

Sickle cell and protection against malaria

...he immune system. Studying a group of children and adults in the Kilifi District of coastal Kenya, they foun...d age-specific malaria in a sample of children and adults in the Kilifi District of coastal Kenya. Protection against mild malaria increased up to 60% at age ...

Youth With HIV Take More Risks After New Meds Introduced

...e studies suggest a shift toward risky behavior in adults in the post-HAART era, (see http://www.cfah.org/hbns/newsrelease/safe_sex11-01-01.cfm), Lightfoot and colleagues are among the first to examine whether HIV-positive youth are taking more risks as well. To find out, they compared behaviors between 34...

Canada approves marijuana-based pain spray

... for the symptomatic relief of neuropathic pain in adults with multiple sclerosis (MS). Canada becomes the f...e most common neurological disease affecting young adults in Canada. Approximately 50,000 Canadian men and women have the disease and each day approximately t...

Brain Scans Reveal How Gene May Boost Schizophrenia Risk

...ain, the NIMH researchers scanned 24 healthy young adults twice using PET (positron emission tomography), which uses radioactive tracers to visualize brain function. The first scan measured subjects' overall brain activity while they performed working memory tasks. The second scan used a dopamine tracer to ...

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