Voters who insist that they are undecided are sometimes fooling themselves, having already made a choice at a subconscious level, a new study suggests. 
Studies suggest that two vaccines against cervical cancer are being used without sufficient evidence that they are effective and worth their high cost. 
Medicare officials? 2006 statements that they had reduced the number of fraudulent and improper claims were misleading, a draft report says. 
The case of a 16-year-old patient with a rare form of muscular dystrophy touches on major ethical issues and is being closely watched by the pharmaceutical industry. 
Researchers find that the 40-something (and older) swimmer of today is faster than the 40-something of yesteryear. 
Two closely watched companies that offer consumers information about their genes have received licenses that will allow them to continue to do business in California. 
A growing number of facilities now offer short-term respite stays, which give caregivers the chance to take a break. 
At the 17th International AIDS Conference in Mexico City, there were renewed calls for strong advocacy and financing to sustain gains already made. 
Over the past decade, researchers have been learning which treatments for wrinkles work, and why. 
People who do not marry have often been found to have poorer health than those who do. But things may be changing, a new study has found. 
Researchers say they have evidence that even in the general population, having too little of vitamin D appears to be associated with a higher risk of death. 
Once used mainly in addiction treatment, the drug is now more widely prescribed and is a growing cause of deaths. 
In a new study, people shown images of attractive men and women paid less attention to them if they had just been reminded about the person they loved. 
The design of a new hospital in Rwanda relies on simple features to reduce the spread of airborne disease. 
Mr. Beck, who had studied mathematics and physics, did incisive early work on using radioactive materials for medical imaging. 
Although the prevalence of childhood obesity has tripled since 1980, there are few comprehensive or affordable programs to treat them. 
Gyms and fitness centers have begun stepping in to meet a small but growing demand for programs designed for cancer patients. 
The yearlong moratorium on new fast food restaurants in Los Angeles raises questions about when eating stops being a personal choice and becomes a public health concern. 
An easy summer salad makes the most of seasonal chickpeas, another in a series of healthy dishes featuring beans. 
Federal regulators are working on a stronger label for a widely used diabetes drug, Byetta, after deaths continue to be reported despite earlier government warnings. 
Despite safety concerns from parents, consumer groups and politicians, bisphenol A is not dangerous, according to the F.D.A. 
With health insurance out of reach for many, obtaining coverage is factoring into the decision for more couples. 
The 17th International AIDS Conference ended in Mexico City with a call for the reversal of laws that criminalize and stigmatize groups at risk for H.I.V. 
In Mexico and other parts of Latin America, stigma surrounding homosexuality increases the challenges that AIDS experts say they face in combating the disease. 
Old wives? tales about predicting a baby?s sex are usually more fantasy than fact. 
For cancer patients, one of the toughest questions can be knowing when it?s time to let go. 
Is a person?s weight really a reliable indicator of overall health? 
We all expect to go, but few people are certain about their fate. 
By necessity maybe, some doctors have a strange way of grieving their patients. 
I wanted to be someone, a recognizable personality, a full-blooded, memorable human being, and not just a cancer patient. I had already lost the person I used to be. 
The emergence of multidrug-resistant organisms is an unintended consequence of our use (and overuse) of antibiotics. 
Karen Pasqualetto faced a grim cancer diagnosis with grit and tenacity. 
The roll call of famous gout sufferers is long and distinguished. It includes Ben Franklin, Henry James and Karl Marx. 
Falls are the leading cause of death from injury among people over 65. 
The American Medical Association?s apology to the nation?s black physicians remains pertinent, if long overdue. 
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