| Jun 10, 2007
The dead bees under Dennis vanEngelsdorp's microscope were like none he had ever seen.
He had expected to see mites or amoebas, perennial pests of bees. Instead, he found internal organs swollen with debris and strangely blackened. The bees' intestinal...
| Sep 28, 2009
Many people who don't protect themselves from the sun may never get skin cancer. And certainly, you can roll the dice if you wish. But there are things I now do regularly to protect myself from it. I don't have to remember to do them; they're automatic. I...
| Sep 24, 2009
| 9:28 AM
More than a quarter-century after scientists discovered the virus that causes AIDS, researchers have finally shown that an experimental vaccine can block at least some infections, marking the first small but significant step toward eventual control of...
| Sep 25, 2009
Only hours after HIV vaccine researchers announced the achievement of a milestone that has eluded them for a quarter of a century, they began plotting their next steps -- and coming to grips with a sobering reality. Their ultimate goal, halting the spread...
| Oct 9, 2009
In what may prove to be the first major breakthrough in the fight against the mysterious and controversial disorder known as chronic fatigue syndrome, researchers reported Thursday that they had found traces of a virus in the vast majority of affected...
| Jul 6, 2009
It's a deceptively simple idea: What if doctors could recruit the body's own immune system to fight cancer? The complexities of the immune system have kept this from becoming reality, until now. Three cancer vaccines -- for prostate cancer, melanoma and...
| Jul 6, 2009
Even if a vaccine produces an appropriate cancer-attacking immune response, it still may not be enough to achieve clinical benefit, especially in patients with very advanced disease.
This could be because the ability of large tumors to suppress the...
| Oct 20, 2009
| 1:45 AM
A secondary analysis of data from the Thai AIDS vaccine trial -- announced last month to much acclaim -- suggests that the vaccine might provide some protection against the virus, but that the results are not statistically significant. In short, they...
| Oct 23, 2009
As the H1N1 influenza vaccine trickles into clinics and pharmacies over the next few weeks, public health officials and doctors desperately hope that pregnant women will be at the front of the line for the shot. Past influenza pandemics have proved that...
| Oct 26, 2009
In the United States, an estimated 23.6 million people -- or 7.8% of the population -- have diabetes, federal statistics show. Of those, 5.7 million are undiagnosed.
Symptoms may seem benign -- increased hunger, excessive thirst, frequent urination,...
| Nov 17, 2009
The number of children who have food allergies is not only increasing, it now encompasses 4% of all kids in the United States, according to an analysis of four large, national surveys published Monday in the journal Pediatrics.
The study -- the first...