Physical Activity News and Research

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Sticking to one diet plan key to losing weight

A comparison of four popular diet plans finds that the key to losing weight may not be which diet plan a person picks, but sticking with the plan that is chosen, according to a study in the January 5 issue of JAMA.

5 Jan 2005

Link between fast food, weight gain, and insulin resistance

Researchers have shown a correlation between fast food, weight gain, and insulin resistance in what appears to be the first long-term study on this subject.

3 Jan 2005

Moderate physical exercise can stave off metabolic syndrome in people age 55 to 75

Researchers at Johns Hopkins have determined that in people age 55 to 75, a moderate program of physical exercise can significantly offset the potentially deadly mix of risk factors for heart disease and diabetes known as the metabolic syndrome.

30 Dec 2004

Spinal cord injury and obesity

Researchers at the University of Michigan Health System are looking at how people with spinal cord injury burn calories and how that is affected by their muscle mass and body weight. The goal is to make better recommendations to people with spinal cord injury, but the research will also translate into greater understanding of obesity in the general population as well.

26 Dec 2004

New way to reduce fat and cholesterol levels in the body

Just in time for the holidays, McGill researchers have identified a new way to reduce fat and cholesterol levels in the body. Their program, which combines consuming plant-derived sterols (or oils) with exercise, may benefit those who are at risk of coronary heart disease.

21 Dec 2004

20 new policies adopted by American Public Health Association

The American Public Health Association recently adopted 20 policies addressing a broad range of issues in public health from underage alcohol consumption and nutrition labeling in restaurants to the supply of flu vaccinations and threats to immigrants’ health care.

21 Dec 2004

Brisk walks substantially improve blood vessel function both before and during the hours after eating a fatty meal

A 90-minute walk lowered triglycerides and improved blood vessel function in a small group of lean and obese men, and the benefits persisted into the following day, even after participants ate a fatty meal, according to a new study in the Dec. 21, 2004 issue of the Journal of the American College of Cardiology.

21 Dec 2004

Leading sports medicine and exercise science organization implements ACSM certified Personal Trainer

The American College of Sports Medicine (ACSM) has developed a new examination and certification to review and validate the knowledge and abilities of personal trainers.

20 Dec 2004

Emigrating to America makes you fat

The longer an immigrant lives in the U.S. the more likely they are to be obese, according to a study in the December 15 issue of JAMA.

16 Dec 2004

The regulation of physical activity in young children

The evidence at present suggests that neither better facilities, nor an increase in the amount of time allocated to PE to four hours a week, will improve physical activity levels in children as a whole and thereby impact on the rising tide of obesity.

16 Dec 2004

Greater risk of heart attack associated with Vioxx than Celebrex

In the first epidemiological study designed and executed specifically to determine the heart-attack risk associated with COX-2 inhibitors rofecoxib (Vioxx) and celecoxib (Celebrex), researchers at the University of Pennsylvania School of Medicine found a greater risk of heart attack associated with Vioxx than Celebrex, although neither of the two drugs showed a statistically significant elevated risk of heart attack relative to people who did not use the drugs.

8 Dec 2004

Physically fit men visit their doctors less frequently

Physically fit men had fewer overnight hospital stays and visited their doctors less frequently, according to the results of a long-term study published this month in Medicine & Science in Sports & Exercise, the official scientific journal of the American College of Sports Medicine (ACSM).

7 Dec 2004

Children are more vulnerable than adults to the adverse effects of air pollution

Children are more vulnerable than adults to the adverse effects of air pollution for several reasons. First, children have increased exposure to many air pollutants because they spend more time outside, have higher breathing rates and higher levels of physical activity compared with adults.

7 Dec 2004

Study shows internet use can lead to fitness

People using the Internet as a guide to getting active were just as successful as those using face-to-face briefings.

6 Dec 2004

Obesity disproportionately burdens low-income, ethnic minority populations

Obesity is likely to affect individuals in low-income areas where fresh fruits and vegetables may not be as plentiful, according to a new University of Houston study.

2 Dec 2004

Risk of a blocked vessel stroke increases nearly twofold in young women with a history of stroke

Young women with a family history of stroke in their parents or siblings may be at increased risk for stroke themselves, according to a new report.

23 Nov 2004

Keeping fit lowers C-Reactive protein in people with metabolic syndrome

In people with signs of metabolic syndrome, including high blood pressure, high triglycerides, high cholesterol, elevated blood glucose and obesity, physical activity appears to reduce a marker for inflammation which has been linked to heart disease

16 Nov 2004

Being overweight or obese significantly impairs a persons' sex life

Obese people report sexual problems such as lack of desire, lack of enjoyment, avoiding sex and performance difficulty at a much higher rate than people of normal weight – in some cases, they are 25 times more likely to report problems, according to the Duke study.

16 Nov 2004

Millions of people threatened by the diabetes time bomb

Millions of lives are threatened by the dual epidemics of diabetes and obesity that are bound to explode in this century, international diabetes and obesity organizations said today in the run up to World Diabetes Day.

11 Nov 2004

The risk of developing metabolic syndrome increases the more a person drinks

The risk of developing metabolic syndrome increases the more a person drinks – and beginning a heavy drinking pattern early in life seems to add extra risk, according to a first-of-its-kind study presented at the American Heart Association’s Scientific Sessions 2004.

11 Nov 2004