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If you are trying to eat as healthy as the government wants you to, it's going to cost you: at least $7.28 a week extra, that is. A recent update of U.S. nutritional guidelines -- what used to be known as the food pyramid and is now called "My Plate" -- calls on Americans to eat more fresh foods containing potassium, dietary fiber, vitamin D and calcium.

Before I make another dietary resolution, I'd like to know that what I believe I know about a healthy diet is really so. Is that too much to ask?

Before I make another dietary resolution, I'd like to know that what I believe I know about a healthy diet is really so. Is that too much to ask?

A healthy diet and the right amount of exercise are key players in treating and preventing obesity but we still know little about the relationship both factors have with each other. A new study now reveals that an increase in physical activity is linked to an improvement in diet quality.

he battle of the bulge is on -- any movement on the scale yet? "Losing weight is one of the top resolutions made every year, yet only 20 percent of people achieve successful weight-loss and maintenance," says Jessica Bartfield,MD, internal medicine who specializes in nutrition and weight management at the Loyola Center for Metabolic Surgery & Bariatric Care.

PRECURSORY signs of cardiovascular disease can be seen in children as young as 12 who have a high intake of sugary drinks, Sydney researchers have found, which could have implications for the rates of the disease in the future. While narrowed blood vessels inside the eye are a known precursor to cardiovascular disease in adults, researchers from the Westmead Millennium Institute for medical research have for the first time looked at the link between carbohydrates, which includes sugars, and the retinal health of children.

It's a message that's got louder over the last few years: exercise doesn't work for weight loss. There was the 2009 Time magazine cover story The Myth about Exercise featuring a photo of a woman pounding a treadmill, her eyes trained on a cream-topped cupcake. It symbolised the story's thrust: research suggesting exercise won't help weight loss because it makes us eat more to make up for the kilojoules we burn. It's a message repeated recently in the new book Big Fat Lies in which author David Gillespie - a lawyer - describes exercise for weight loss as 'pointless'. But is it really true?

That's how much longer adult Ontarians would live, on average, if they could collectively overcome five unhealthy habits: smoking, excess alcohol consumption, poor diet, sedentary behaviour and stressing out. That is the conclusion of a new report from the Institute for Clinical Evaluative Sciences and Public Health Ontario.

Cupcakes may be addictive, just like cocaine. A growing body of medical research at leading universities and government laboratories suggests that processed foods and sugary drinks made by the likes of PepsiCo Inc. and Kraft Foods Inc. (KFT) aren't simply unhealthy. They can hijack the brain in ways that resemble addictions to cocaine, nicotine and other drugs.

The basics of how insulin gets glucose into a cell. Includes mechanisms of possible defects in the system.

The Australian Institute of Sport (AIS) in Canberra says a plan to extend the careers of the nation's female sports stars, could lead to more active lives for Australian women. The AIS is currently studying how to prevent excessive calcium loss when exercising, which degrades the body's long-term capacity and can lead to osteoporosis.

A range of Interval Training plans for improving cycling performance. The principles in these training plans can easily be applied other forms of physical activity such as running and swimming.

ONE in three people from Generation Y will become part of Generation Diabetes or "Generation D", according to a new national diabetes assessment report. The alarming report, entitled Diabetes: the silent pandemic and its impact on Australia, has prompted some of Australia's leading research and consumer advocacy groups to demand a renewed focus from the Federal Government on the health issue.

Released yesterday by The Precinct Studios, 'Break the Habit' is a new commercial that aims to draw attention to the epidemic of childhood obesity in Australia....

Researching topics such as health, diet, and (especially) the effectiveness of dietary supplements can be hard and time-consuming. Obscured by thousands of marketing tricks, finding the truth takes days, if not weeks of research. So, when someone puts in the time to do the research and create an infographic that makes certain aspects of these topics easy to understand, it can be a huge time saver.

"Earlier this week, long time eating researcher Traci Mann and I discussed the unbecoming truth about diets. The takeaway is that they don't actually work. Over the course of her more than 20 years studying how people eat, Traci has found that willpower doesn't work quite like we imagine it will, and our bodies are predisposed to maintain a weight that often doesn't fit the ideal mold we aspire to achieve."

The World Health Organisation has called obesity one of today's 'most blatantly visible yet most neglected'  public health problems, which, left unchecked, will cause serious health disorders for millions around the globe. But is the way we talk about obesity helping or exacerbating the problem? Cathy Pryor reports.

SPECIALIST child obesity clinics are so overwhelmed by demand that patients wait up to a year to get into a program. Doctors report a dramatic increase in the number and severity of childhood obesity cases they are treating but say resources are failing to keep pace with the epidemic. Read more: http://www.smh.com.au/national/health/the-wait-grows-at-child-clinics-20111217-1ozs2.html#ixzz1jKthipOe

AUSTRALIANS are now being advised to exercise for up to one hour a day, up from 30 minutes, because of the higher number of calories we're consuming. At least 60-90 minutes of activity a day are required to prevent weight gain in previously obese people, according to new official dietary guidelines released today.