THURSDAY, March 31 (HealthDay News) -- An antibacterial agent that's an ingredient in some bar soaps has a "strong" tendency to accumulate in the bodies of fish, finds a new study.

(HealthDay News) -- Eczema is the umbrella term for a host of conditions that lead to a red, itchy skin rash.

(HealthDay News) -- The curious nature of young children pushes them to explore, but they may be unsteady on their feet, increasing the likelihood of falls.

THURSDAY, March 31 (HealthDay News) -- There may be a link between certain types of migraines in children and a common congenital heart defect, a new study suggests.

THURSDAY, March 31 (HealthDay News) -- Almost three weeks after a massive earthquake and tsunami crippled four nuclear reactors in Japan, American public opinion on the risks and benefits of nuclear power hasn't shifted much compared to three years earlier, a new Harris Interactive/HealthDay poll finds.

THURSDAY, March 31 (HealthDay News) -- The number of births in the United States has declined since reaching an all-time high in 2007, according to a new federal government report.

THURSDAY, March 31 (HealthDay News) -- For people with the movement disorder dystonia, starting deep brain stimulation therapy early in the course of the disease provides better results, according to a new study.

THURSDAY, March 31 (HealthDay News) -- Correct and rapid antibiotic treatment is crucial for critically ill young children with bacterial pneumonia, says a new study.

THURSDAY, March 31 (HealthDay News) -- While the risks of gunfire and explosive devices to U.S. soldiers stationed in Iraq are obvious, new research suggests that high levels of air pollution in that country might pose a threat to their respiratory health.

THURSDAY, March 31 (HealthDay News) -- Betty Kyle knew that after she passed away her daughters did not want to care for her menagerie of four Italian greyhounds, two donkeys, a goat and horse.

THURSDAY, March 31 (HealthDay News) -- Women who suffered abuse in childhood are at increased risk of having low birth weight babies, a new study indicates.

THURSDAY, March 31 (HealthDay News) -- From sports practices to music lessons to community service, American kids always seem to have plenty to keep them busy. But whether they're actually too busy -- reaching a tipping point detrimental to their mental and physical health -- remains a topic of debate.

WEDNESDAY, March 30 (HealthDay News) -- In an update to its ongoing radiation monitoring following the Fukushima Daiichi reactor crisis in Japan, U.S. government officials announced late Wednesday that milk sampled March 25 in Washington state contained low levels of radiation not likely to cause harm to humans.

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:

THURSDAY, March 31 (HealthDay News) -- While a tetanus shot can shield Americans from the potentially fatal infection, sporadic cases do still occur among those who went unvaccinated, the U.S. Centers for Disease Control and Prevention reported Thursday.

THURSDAY, March 31 (HealthDay News) -- The rate of new cancers in the United States has dropped by almost 1 percent a year and the rate of death from cancer has fallen 1.6 percent a year, a new report shows.

THURSDAY, March 31 (HealthDay News) -- A 20-year study from Sweden suggests that screening for prostate cancer does not substantially reduce the risk of death from the disease.

THURSDAY, March 31 (HealthDay News) -- Foods that contain dyes used to enhance color don't need warning labels, a U.S. Food and Drug Administration advisory panel said Thursday.