THURSDAY, Jan. 28 (HealthDay News) -- Using computed tomography (CT) scans to assess younger women with suspected acute appendicitis may help reduce unnecessary surgeries, a new study shows.

THURSDAY, Jan. 28 (HealthDay News) -- Survivors of childhood brain cancer or other central nervous system cancers, or leukemia, are less successful in school than their peers, a new study has found.

THURSDAY, Jan. 28 (HealthDay News) -- Relying on symptoms alone to identify women who have ovarian cancer isn't very effective at catching the disease early, a new study indicates.

THURSDAY, Jan. 28 (HealthDay News) -- Betrayal may be in the eye of the beholder, a new study suggests.

THURSDAY, Jan. 28 (HealthDay News) -- For people with arthritis, injections of a nonsteroidal anti-inflammatory fluid can improve recovery from arthroscopic knee surgery to repair damaged cartilage, researchers say.

THURSDAY, Jan. 28 (HealthDay News) -- When people think back to the past or look toward the future, their body language reflects their sense of time travel, a new study suggests.

THURSDAY, Jan. 28 (HealthDay News) -- Omega-3 fatty acid supplements are believed to have many health benefits, but the one thing they can't do is help women with a history of delivering their babies early carry their next child to full term, new research finds.

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

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

THURSDAY, Jan. 28 (HealthDay News) -- People with asthma who have low levels of vitamin D fare worse than those with high levels of the "sunshine" vitamin, a new study finds.

THURSDAY, Jan. 28 (HealthDay News) -- Virtual colonoscopy is a safe and effective way to screen older patients for colorectal cancer, a new study indicates.

THURSDAY, Jan. 28 (HealthDay News) -- Although U.S. pediatricians are doing a good job of screening children for developmental delays, many fail to refer these patients to testing or treatment, researchers say.

THURSDAY, Jan. 28 (HealthDay News) -- Researchers are linking a stress hormone to alcoholism in animals, and they report that blocking it could become a strategy to help stop the addiction in people.

THURSDAY, Jan. 28 (HealthDay News) -- Children are likely to account for about 44 percent of the estimated number of Haitians injured in the devastating Jan. 12 earthquake -- information that could be used to guide rescuers, say U.S. researchers.

THURSDAY, Jan. 28 (HealthDay News) -- Despite the warnings that being overweight will kill you, a new Australian study finds that overweight adults over the age of 70 are less likely to die over a 10-year period than their normal-weight peers.

THURSDAY, Jan. 28 (HealthDay News) -- Almost 12 percent of children and adolescents in the United States use complementary or alternative medicines, known as CAM, according to Harvard Medical School researchers.

(HealthDay News) -- TMJ (temporomandibular joint) disorders, affecting the jaw, are commonly triggered by grinding or clenching the teeth.

(HealthDay News) -- Graves' disease is an autoimmune disease that causes hyperthyroidism, the medical term for an overactive thyroid gland.