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The popular Atkins diet may be bad for the heart, doctors have found, as a study showed the introduction of the low-carbohydrate regime was linked with increased cholesterol levels.

The popular Atkins diet may be bad for the heart, doctors have found, as a study showed the introduction of the low-carbohydrate regime was linked with increased cholesterol levels.

"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."

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.

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?

Which is more important in maintaining a healthy body weight? Diet or Exercise?

Most teenagers' lives are filled with friends, sports, and homework, and along with those come junk food. Teens don't always understand the importance of a healthy diet. Research shows that he obesity rate in young adults continues to climb in the United States.

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.

Australians are getting fatter. And experts say diets just don't work in the long term. But should we be looking at this debate differently? And are people resorting to surgery too soon?

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.

An essential nutrient is a nutrient that the body cannot synthesize on its own -- or not to an adequate amount -- and must be provided by the diet. These nutrients are necessary for the body to function properly. The six essential nutrients include carbohydrates, protein, fat, vitamins, minerals and water.

Doing exercise you enjoy is good - it helps keep you motivated. But sticking with the same routine week after week can also slow down progress because our bodies soon get used to it, explains Alisha Smith, education manager for the Australian Fitness Network which runs education courses for fitness professionals.

A PASSIVE warm-up routine before competitive team sports harms performance but athletes continue to overuse the technique, research has found. James Zois, from Victoria University's school of sport and exercise science, said too many athletes were still using static stretching techniques such as calf, hamstring, quad and hip flex stretches before competing even though it has been shown to reduce power.

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?

'Josef, what is the best time of day to exercise?" is one of the top 20 most frequently asked questions I get at parties. The answer to this question is on two levels: practicality and physiology. Practicality is about what you can do - do today, do tomorrow and continue doing. Physiology is about what works best for your body. They don't always agree.

If you are out of shape, you know it. Even climbing a flight of stairs can leave you out of breath! If you haven't been exercising regularly, even a little exercise, like going up steps, can put a strain on your body.

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

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.