(HealthDay News) -- Shingles is caused by the herpes zoster virus, the same one that causes chickenpox.

(HealthDay News) -- Most bones connect to other bones. Bones that connect to tendons or muscles instead are called sesamoids.

MONDAY, Dec. 20 (HealthDay News) -- Brain scans of teenagers with dyslexia can identify with 90 percent accuracy which ones will improve their reading skills over time, a new study finds.

MONDAY, Dec. 20 (HealthDay News) -- People who are seeking creative inspiration should try to look on the bright side, the results of a new study suggest.

MONDAY, Dec. 20 (HealthDay News) -- 'Tis the season to be jolly, not stressed out, and an expert offers some tips on how to take care of yourself during the holiday rush.

MONDAY, Dec. 20 (HealthDay News) -- New research suggests that whole-fat dairy products -- generally shunned by health experts -- contain a fatty acid that may lower the risk of type 2 diabetes.

MONDAY, Dec. 20 (HealthDay News) -- Adding to reports that breast-feeding boosts brain health, a new study finds that infants breast-fed for six months or longer, especially boys, do considerably better in school at age 10 compared to bottle-fed tots, according to a new study.

MONDAY, Dec. 20 (HealthDay News) -- Lung cancer patients who develop a rash after treatment with the drug cetuximab (Erbitux) have better outcomes, according to a new study.

MONDAY, Dec. 20 (HealthDay News) -- People with psoriasis are at increased risk for a cluster of cardiovascular risk factors known as metabolic syndrome, a new study has found.

MONDAY, Dec. 20 (HealthDay News) -- Black Americans with early-stage liver cancer are more likely to die of the disease than Asian, Hispanic or white patients, say researchers.

MONDAY, Dec. 20 (HealthDay News) -- Most head and neck cancer patients can speak and swallow after undergoing combined chemotherapy and radiation treatment, but several factors may be associated with poor outcomes, researchers have found.

MONDAY, Dec. 20 (HealthDay News) -- Continuing a 12-year climb, cesarean deliveries reached a record high in 2008, accounting for almost one-third of the births in the United States, a new report shows.

MONDAY, Dec. 20 (HealthDay News) -- Popular heartburn drugs, including proton pump inhibitors and histamine-2 receptor antagonists, may raise the risk of pneumonia, new research finds.

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

MONDAY, Dec. 20 (HealthDay News) -- The herbal remedy echinacea, believed by many to cure colds, is no better than a placebo in relieving the symptoms or shortening the duration of illness, a new study finds.

MONDAY, Dec. 20 (HealthDay News) -- Tanning bed use remains popular among Americans, a new study shows, despite reported links to an increased risk of skin cancer and the availability of safe "spray-on" tans.

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

MONDAY, Dec. 20 (HealthDay News) -- Leading U.S. cardiac experts have relaxed the recommendations for strict heart rate control in patients with atrial fibrillation, an irregular heart rhythm that can lead to strokes.

MONDAY, Dec. 20 (HealthDay News) -- Most trauma patients transferred between facilities in the state of Illinois don't make it to their final destination within the two hours mandated by the state.

MONDAY, Dec. 20 (HealthDay News) -- People traveling to Haiti or the Dominican Republic over the holidays should take steps to protect themselves from cholera, the U.S. Centers for Disease Control and Prevention said in a bulletin issued Monday.