A series of secret tests conducted by the U.S. Army in the 1950s and 1960s did not expose residents of the United States and Canada to chemical levels considered harmful, according to a new report from a committee of the National Research Council.

Immigration benefits the U.S. economy overall and has little negative effect on the income and job opportunities of most native-born Americans, says a new report by a panel of the National Research Council.

Women who might become pregnant need 400 micrograms of folic acid per day to reduce their risk of having a child with neural tube defects, according to the latest report on Dietary Reference Intakes (DRIs) from the Institute of Medicine.

The Council of the National Academy of Sciences (NAS) is concerned about the confusion caused by a petition being circulated via a letter from a former president of this Academy.

Marijuanas active components are potentially effective in treating pain, nausea, the anorexia of AIDS wasting, and other symptoms, and should be tested rigorously in clinical trials.

Good morning and welcome. There has been unprecedented interest in recent years about whether marijuana or its constituent compounds should be used as medicine. Since 1996, voters in seven states have approved the medical use of marijuana.

The explosive growth of information technology is having a profound impact on our lives.

Although there is evidence of harmful health and ecological effects associated with exposure to high doses of chemicals known as hormonally active agents – or endocrine disrupters – little is understood about the harm posed by exposure to the substances at low concentrations, such as those that typically exist in the environment, says a new report from a National Research Council committee.

Incineration is widely used in the United States to reduce the volume of waste. Hundreds of incinerators -- including industrial kilns, boilers, and furnaces -- combust municipal and hazardous waste, while many more are used to burn medical waste.

Reducing one of the nations leading causes of death and injury – medical errors – will require rigorous changes throughout the health care system, including mandatory reporting requirements.

While the U.S. Environmental Protection Agencys guideline for protecting the public from a toxic form of mercury is justifiable based on the latest scientific evidence, some children of women who consume large amounts of fish and seafood during pregnancy may be at special risk of neurological problems.

Representatives from academies and research organizations around the world sent messages of condolence and support to members, officials and staff of the U.S. National Academies in the wake of terrorist attacks on the World Trade Center and the Pentagon. The following are excerpts from some of these messages.

Racial and ethnic minorities tend to receive lower-quality health care than whites do, even when insurance status, income, age, and severity of conditions are comparable.

As the recent spread of West Nile virus and the anthrax scare of 2001 dramatically illustrate, America faces a variety of new health challenges in the 21st century, along with a number of persistent problems, such as racial disparities in health status and care delivery.

The environmental effects of oil and gas exploration and production on Alaska s North Slope have been accumulating for more than three decades, says a new report from the National Academies National Research Council.

Good morning. I am Richard Bonnie, chair of the Committee on Developing a Strategy to Reduce and Prevent Underage Drinking.

Welcome to the public release of the latest Institute of Medicine report on the quality of health care in America.

To significantly reduce the tens of thousands of deaths and injuries caused by medical errors every year, health care organizations must adopt information technology systems that are capable of collecting and sharing essential health information on patients and their care, says a new report by the Institute of Medicine of the National Academies.

Nearly half of all American adults – 90 million people – have difficulty understanding and using health information, and there is a higher rate of hospitalization and use of emergency services among patients with limited health literacy, says a new report from the Institute of Medicine of the National Academies.

Based on a thorough review of clinical and epidemiological studies, neither the mercury-based vaccine preservative thimerosal nor the measles-mumps-rubella (MMR) vaccine are associated with autism, says a new report from the Institute of Medicine of the National Academies.

The National Academies have bestowed the title of Education Fellow in the Life Sciences to 42 educators around the country who successfully completed a summer institute aimed at fostering innovative approaches to teaching undergraduate biology.

The U.S. Environmental Protection Agencys standard for the maximum amount of fluoride allowed in drinking water -- 4 milligrams of fluoride per liter of water -- does not protect against adverse health effects.

Use of protective face coverings will be one of many strategies used to slow or prevent transmission of the flu virus in the event of a pandemic, even though scientific evidence about the effectiveness of inexpensive, disposable medical masks and respirators against influenza is limited.

There is sufficient evidence from tree rings, boreholes, retreating glaciers, and other proxies of past surface temperatures to say with a high level of confidence that the last few decades of the 20th century were warmer than any comparable period in the last 400 years, according to a new report from the National Research Council.

Medication errors are among the most common medical errors, harming at least 1.5 million people every year, says a new report from the Institute of Medicine of the National Academies.

Long-term population trends for some North American pollinators -- bees, birds, bats, and other animals and insects that spread pollen so plant fertilization can occur -- are demonstrably downward, says a new report from the National Research Council.

Short-term exposure to current levels of ozone in many areas is likely to contribute to premature deaths, says a new National Research Council report, which adds that the evidence is strong enough that the U.S. Environmental Protection Agency should include ozone-related mortality in health-benefit analyses related to future ozone standards.

Good morning. I am Dr. Alice Gast and I am here today with Dr. David Relman as the chair and vice chair of the Committee on the Review of the Scientific Approaches Used During the FBI’s Investigation of the 2001 Bacillus anthracis Mailings.

A congressionally mandated report from the National Research Council finds serious deficiencies in the nations forensic science system and calls for major reforms and new research.

A growing amount of scientific evidence indicates that how much weight women gain during pregnancy and their starting weight at conception can affect their health and that of their babies, says a new report from the Institute of Medicine and the National Research Council.

Many U.S. farmers who grow genetically engineered (GE) crops are realizing substantial economic and environmental benefits -- such as lower production costs, fewer pest problems, reduced use of pesticides, and better yields -- compared with conventional crops, says a new report from the National Research Council.

The National Academy of Sciences today announced the election of 72 new members and 18 foreign associates from 14 countries in recognition of their distinguished and continuing achievements in original research.

The National Research Council today released its assessment of U.S. doctoral programs, which includes data on over 5,000 programs in 62 fields at 212 universities nationwide.

Despite being used for several decades, test-based incentives have not consistently generated positive effects on student achievement, says a new report from the National Research Council.