| Nov 23, 2011
| 4:36 AM
Latin America Venezuela: Several Latin America leaders past and present are coping with cancer, although Venezuela's President Hugo Chavez may have the most serious case of all...
| Dec 1, 2011
| 4:36 PM
World AIDS Day: David Heckerman invented Microsoft's spam filter. Now he's hoping to apply the same thinking to preventing AIDS....
| Dec 20, 2011
| 4:34 PM
It's All Relative: There’s something to be said about the benefits of laughter and about celebrating holidays and birthdays with gusto, regardless of age....
| Jan 4, 2012
| 4:38 PM
California state Sen. Sharon Runner (R-Lancaster) is back on the lung transplant list after suffering some health setbacks....
| Mar 11, 2012
| 4:36 PM
The Announcement, ESPN's film about Magic Johnsons HIV disclosure, airs Sunday night....
| Apr 29, 2010
| 5:15 PM
The Food and Drug Administration approved a new immune-boosting therapy for prostate cancer on Thursday, the first therapeutic vaccine for cancer ever approved by the agency. The approval opens the door to a whole new approach to cancer therapy, adding...
| Aug 16, 2011
| 5:13 PM
This post has been corrected. See note at the bottom for details.
African American women have higher rates of a type of breast cancer that isn't dependent for growth on the hormones estrogen or progesterone. They also have a higher rate of childbearing...
| Jul 18, 2011
| 6:22 PM
In the United States and Europe, antiretroviral drugs have changed HIV infection from an early death sentence to a lifelong but manageable condition. Many international philanthropies have contended that these medications could do the same in poor...
| Jun 21, 2010
Something in your gut could be making you fat — and it isn't just last night's pizza.
The vast, diverse community of microbes inhabiting the intestines, scientists are finding, can influence metabolism and weight.
Between 10 trillion and 100...
| Aug 23, 2010
As summer winds down, another new school year brings fresh notebooks, sharp pencils and — for many kids — a new cycle of sleep deprivation.
With classes that start as early as 7 a.m. and buses that pull up long before sunrise, some 80% of...
| Sep 27, 2010
| 4:24 PM
A new study finds that nearly 40% of high-tech imaging scans conducted in the course of research reveal an unexpected abnormality that could be medically worrisome. These unsought discoveries -- known as "incidental findings" -- confront researchers with...