(HealthDay News) -- Bedbugs feed on human blood, leaving annoying itchy bites in their wake. They may hide in places such as in and around the bed, in crevices behind chair and couch cushions, and in the folds of curtains.

(HealthDay News) -- Periodontal disease refers to a group of problems that affect the spaces between the gums and teeth. Proper and consistent oral hygiene can help prevent the disease.

FRIDAY, May 20 (HealthDay News) -- People who have psoriasis and hypertension are more likely to have more severe high blood pressure, requiring more medications to control it, a new study suggests.

THURSDAY, May 19 (HealthDay News) -- Children whose parents are deployed in Afghanistan or Iraq face a higher risk of psychiatric problems requiring hospitalization, a new study indicates.

FRIDAY, May 20 (HealthDay News) -- The level of complexity of infants' cries may help to predict which babies are at risk for language delays, new research suggests.

FRIDAY, May 20 (HealthDay News) -- One graduation ceremony may include thousands of handshakes, but new research shows this casual contact is not likely to increase your risk of exposure to harmful bacteria.

FRIDAY, May 20 (HealthDay News) -- Treating chronic lower back pain can reverse pain-related changes in brain activity and function, according to a new study.

FRIDAY, May 20 (HealthDay News) -- The number of home births in the United States has jumped 20 percent in recent years, a new government study shows.

FRIDAY, May 20 (HealthDay News) -- The prevalence of psoriasis -- a chronic, inflammatory disease of the skin -- is significantly higher among overweight and obese kids, researchers have found.

FRIDAY, May 20 (HealthDay News) -- All children should be screened for high cholesterol when they're 9 to 11 years old, according to new guidelines from the National Lipid Association.

FRIDAY, May 20 (HealthDay News) -- Teens who choose to practice abstinence or delay having sex may still engage in sexual risk-taking as adults, according to a new study.

FRIDAY, May 20 (HealthDay News) -- For the average listener, the vowel sounds in an unfamiliar voice quickly give away the speaker's sexual orientation, a new study finds.

FRIDAY, May 20 (HealthDay News) -- Many hospitals tout the benefits of robotic surgery on their websites without solid scientific evidence to back up those claims, Johns Hopkins researchers report.

FRIDAY, May 20 (HealthDay News) -- Even healthy seniors with safe driving records and no history of dementia tend to make more potentially dangerous errors, such as forgetting to check a blind spot, according to a new study.

THURSDAY, May 19 (HealthDay News) -- A patient completely paralyzed below the chest after an road accident has been able to stand up by himself, move his legs and feet and take some assisted steps on a treadmill, thanks to electrical stimulation of his lower spinal cord.

FRIDAY, May 20 (HealthDay News) -- Though a new study suggests that a dietary supplement could lower the likelihood that high-risk pregnant women will develop preeclampsia, the jury is still out over whether it actually works and a specialist recommends that women not try it yet.

FRIDAY, May 20 (HealthDay News) -- People with an implantable cardiac defibrillator and a breathing disorder that occurs during sleep are at greater risk for potentially deadly heart problems during the night, new research suggests.

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

FRIDAY, May 20 (HealthDay News) -- Edurant (rilpivirine), in combination with other antiretroviral drugs, has been approved by the U.S. Food and Drug Administration to treat HIV-1 infection in adults who haven't taken any prior HIV therapy

FRIDAY, May 20 (HealthDay News) -- The first test to detect Q fever in soldiers and other members of the military serving overseas has been approved by the U.S. Food and Drug Administration.