(HealthDay News) -- Women may have pain in the pelvic region for a number of reasons.

(HealthDay News) -- A cataract occurs when the eye's lens becomes cloudy.

WEDNESDAY, Dec. 1 (HealthDay News) -- Low levels of folic acid (folate) may be associated with age-related hearing loss, says a new study.

WEDNESDAY, Dec. 1 (HealthDay News) -- Loud snoring, difficulty falling asleep and unrefreshing sleep are each significant predictors of the development of metabolic syndrome, finds a new study.

WEDNESDAY, Dec. 1 (HealthDay News) -- A "virtual biopsy" may help diagnose a degenerative brain disorder that can occur in professional athletes and others who suffer repeated blows to the head, says a new study.

WEDNESDAY, Dec. 1 (HealthDay News) -- Workers with chronic low back pain can be treated for substantially less cost by using an integrated approach to care instead of traditional medical care, a new study suggests.

WEDNESDAY, Dec. 1 (HealthDay News) -- A test that measures the function of nerve cells in the retina may detect glaucoma at an early stage and help doctors evaluate the effectiveness of treatments, a new study has found.

TUESDAY, Nov. 30 (HealthDay News) -- Intensive-care unit patients with hospital-acquired infections have a significantly increased risk of dying, but antibiotic resistance increases their likelihood of death only a small amount, a new study finds.

WEDNESDAY, Dec. 1 (HealthDay News) -- Eating a diet rich in omega-3 fatty acids appears to protect seniors against the onset of a serious eye disease known as age-related macular degeneration (AMD), a new analysis indicates.

WEDNESDAY, Dec. 1 (HealthDay News) -- Yearly mammograms for women between the ages of 40 and 50 dramatically reduce the chance that a mastectomy will be necessary if they develop breast cancer, a new study suggests.

WEDNESDAY, Dec. 1 (HealthDay News) -- One January day in 1991, career journalist Jane Fowler, then 55, opened a letter from a health insurance company informing her that her request for coverage had been denied due to a "significant blood abnormality."

WEDNESDAY, Dec. 1 (HealthDay News) -- Deployment to Iraq and Afghanistan significantly affects the quality and quantity of sleep of many U.S. military personnel, new research indicates.

WEDNESDAY, Dec. 1 (HealthDay News) -- The case of a man who swallowed parasite eggs to treat his ulcerative colitis -- and actually got better -- sheds light on how "worm therapy" might help heal the gut, a new study suggests.

WEDNESDAY, Dec. 1 (HealthDay News) -- Could the prevention of HIV infection and AIDS be a comb, fluff and blow-dry away?

WEDNESDAY, Dec. 1 (HealthDay News) -- Women who suffer recurrent miscarriages have a greatly increased risk of heart attack later in life, finds a new study.

Here are some of the latest health and medical news developments, compiled by the editors of HealthDay:

(HealthDay News) -- Here are the latest clinical trials, courtesy of ClinicalConnection.com:

WEDNESDAY, Dec. 1 (HealthDay News) -- A U.S. Food and Drug Administration advisory committee on Wednesday voted against approving two drugs for the prevention of prostate cancer, the third-highest cancer killer of men.

WEDNESDAY, Dec. 1 (HealthDay News) -- Being too fat can shorten your life, but being too skinny may cut longevity as well, a new study suggests.

WEDNESDAY, Dec. 1 (HealthDay News) -- The risk of developing cancer as a result of radiation exposure from CT scans may be lower than previously thought, new research suggests.

WEDNESDAY, Dec. 1 (HealthDay News) -- Being exposed to pesticides over a long period of time might be linked to dementia, a new study of agricultural workers suggests.

WEDNESDAY, Dec. 1 (HealthDay News) -- Crohn's disease may cause post-traumatic stress disorder (PTSD), a new study contends.

WEDNESDAY, Dec. 1 (HealthDay News) -- A chemotherapy regimen already proven superior to other regimens for breast cancer that has spread to the lymph nodes may also work better for some women whose cancers haven't spread, a new study has found.

WEDNESDAY, Dec. 1 (HealthDay News) - A physician with experience caring for armed forces personnel says the U.S. military's "Don't Ask, Don't Tell" policy puts both service members and the general public at risk by encouraging secrecy about sexual health issues.