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Study highlights: The plaque buildup in the neck arteries of obese children or those with high cholesterol is similar to levels in middle-aged adults. Using ultrasound images, researchers equated the "vascular age" to be 45 years old in these children.

Working out on a stationary bicycle or walking on a treadmill just 25 to 30 minutes most days of the week is enough to modestly lower risk of hospitalization or death for patients with heart failure, say researchers from Duke Clinical Research Institute (DCRI). The findings stem from the HF-ACTION trial (A Controlled Trial Investigating Outcomes Exercise TraiNing), the most comprehensive study to date examining the effects of exercise upon patients with heart failure.

Treating a common heart rhythm disorder by burning heart tissue with a catheter works dramatically better than drug treatments, a major international study has found. One year after undergoing a treatment called catheter ablation, 75 percent of patients with an irregular heartbeat called atrial fibrillation were free of symptoms. By comparison, only 21 percent of those treated with drugs were symptom-free. Results were so convincing the trial was halted early.

When my sister was pregnant with her 7th child (yes, seven), one of her other little ones looked at her growing belly and said, "Is that really a baby in...

As anyone who watched the Olympics can appreciate, timing matters when it comes to complex sequential actions. It can make a difference between a perfect handspring and a fall, for instance. But what controls that timing? MIT scientists are closing in on the brain regions responsible, thanks to some technical advances and some help from songbirds.

Reuters - Older people taking a sports nutrition supplement favored by Olympic athletes show substantial increases in their ability to withstand fatigue, new research shows.

What do you think when it comes time to do your workout? Chances are it isn't, "Whoopee! It's time for my workout!" More likely, you're thinking, "Do...