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Just 75 minutes of exercise per week helps improve fitness levels for postmenopausal women who are overweight

New research indicates that even small amounts of physical activity, approximately 75 minutes a week, can help improve the fitness levels for postmenopausal women who are sedentary and overweight or obese, according to a study in the May 16 issue of JAMA.

16 May 2007

Web-based intervention programs change behavior of sedentary adults

The Internet can be an effective tool in helping inactive adults to get moving, a new study suggests.

15 May 2007

Specific genes identified that are most likely to become cancer promoters when exposed to DNA promoter hypermethylation

Hypermethylation is a process that causes genes that promote normal cell growth to produce proteins that cause malignant behavior, or unregulated cell growth. Until now, data has been very limited regarding the mechanism and causes of hypermethylation, especially for hypermethylation in breast cancer.

15 May 2007

Being overweight or obese increases risk of traumatic workplace injury

Having a body mass index (BMI) in the overweight or obese range increases the risk of traumatic workplace injury, according to researchers at the Johns Hopkins Bloomberg School of Public Health’s Center for Injury Research and Policy. Employer-sponsored weight loss and maintenance programs should be considered as part of a well-rounded workplace safety plan.

15 May 2007

Ethical reasoning and epidemiological studies

Medical research scientists in public health and other areas routinely make ethical value judgments, even if they're not aware of it, according to a new Weill Cornell Medical College research study.

15 May 2007

Calcium plus vitamin D may help prevent weight gain in postmenopausal women

Postmenopausal women who take calcium and vitamin D supplements may gain less weight than those who do not, although the overall effect is small, according to a report in the May 14 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.

15 May 2007

Better care for baby boomers

As the first wave of "want to be forever young" baby boomers turns 60, Saint Louis University is creating a new center for research, education and clinical care to help them reach their goal.

15 May 2007

Epidemiology of obesity, pathophysiology, associated disease and management

Due to the gastrointestinal tract's role in body weight regulation, gastroenterologists should work closely with other medical disciplines to oversee and coordinate the care of obese individuals, according to an American Gastroenterological Association (AGA) Institute Obesity Task Force Report.

15 May 2007

Researchers tackle traumatic brain injury

Researchers from the Uniformed Services University of the Health Sciences (USU) are pursuing efforts to find new ways to prevent and to treat the increasing numbers of combat troops who are suffering from injuries due to traumatic brain injury (TBI).

11 May 2007

Most women 55 years and younger who have heart attacks don't recognize warning signs

Women younger than 55 years represent less than 5 percent of all hospitalized heart disease patients, but because so many heart attacks occur in the United State each year, even this small percentage affects a large number of people.

11 May 2007

Dealing with a flu pandemic in the UK

Giving local authorities responsibility for implementing pandemic flu plans may not be the best policy, says a senior public health doctor in this week's BMJ.

11 May 2007

One-third of pregnancies in the United States are unwanted

That is, 2 million of the 6.4 million pregnancies in 2001 were unwanted (most recent data available). Over half (54%) of unwanted pregnancies occur to women in their twenties. And there is evidence that the rate of unwanted pregnancies may be increasing.

10 May 2007

Many herb users don't follow scientific guidelines

Sales of herbal dietary supplements have skyrocketed by 100 percent in the United States during the last 10 years, but most people don't consider evidence-based indications before using them, according to a University of Iowa study published in this month's Mayo Clinic Proceedings.

10 May 2007

Human papillomavirus linked to throat cancers

Researchers at the Johns Hopkins Kimmel Cancer Center have conclusive evidence that human papillomavirus (HPV) causes some throat cancers in both men and women.

10 May 2007

Coarse particulate matter in outdoor air raises bad cholesterol

Breathing air containing coarse particulate matter such as road or construction dust may cause heart problems for asthma sufferers and other vulnerable populations, according to a new study led by the University of North Carolina at Chapel Hill School of Public Health.

10 May 2007

Caring for the sick now a public health priority for developing countries

Palliative care is commonly used in developed countries to improve the quality of life of patients with life-threatening illnesses, through strategies aimed mainly at pain relief.

10 May 2007

Predicting the next pandemic

In planning for a future influenza pandemic, most experts agree that two things are known for certain, there will be another pandemic someday, and nobody can predict when.

9 May 2007

Movies significantly influence teens to smoke

Two new studies by Dartmouth Medical School pediatrician researchers underscore the significant impact that movies have in influencing teens to smoke.

9 May 2007

VA should revise its methods for evaluating post-traumatic stress disorder

To ensure more consistent and appropriate disability compensation for veterans, the U.S. Department of Veterans Affairs (VA) needs to revise how it evaluates former military personnel for service-connected post-traumatic stress disorder (PTSD) and determines the payment amounts they merit, says a new report from the Institute of Medicine and National Research Council.

9 May 2007

Stress of deployment increases risk of child abuse, neglect in military families

Rates of abuse and neglect of young children in military families in Texas has doubled since October 2002, a University of North Carolina at Chapel Hill study shows, raising concerns about the impact of deployment on military personnel and their families across the country.

9 May 2007