Blocked Tear Ducts Linked to 'Lazy Eye' in Kids
FRIDAY, Oct. 21 (HealthDay News) -- Children younger than age 3
who have blocked tear ducts are at greater risk for amblyopia, or
"lazy eye" -- a condition that could result in permanent vision
loss if not treated early enough, researchers have found.
Hockey Fistfights Rarely Cause Injuries, Study Claims
FRIDAY, Oct. 21 (HealthDay News) -- Brawls on the ice are a
staple of professional ice hockey games, but are they as vicious as
they look? A new study suggests that few punches thrown during
National Hockey League games end in significant injury.
New Animal Study Might Explain Jet Lag Differences
FRIDAY, Oct. 21 (HealthDay News) -- The way the human circadian
clock sets itself may explain why jet lag tends to affect people
more severely when they're flying west to east compared to the
other direction, a new animal study indicates.
Some Kids Respond Better to ADHD Drug Than Others
FRIDAY, Oct. 21 (HealthDay News) -- Children with specific gene
variants respond better to the drug methylphenidate (Ritalin,
Concerta), which is widely used to treat attention-deficit
hyperactivity disorder (ADHD), a new study says.
More Than 1 in 4 U.S. Kids Witness Violence Between Parents: Study
FRIDAY, Oct. 21 (HealthDay News) -- More than one in four
children in the United States has been exposed to physical violence
between their parents at home at some time in their lives, and one
in nine has been exposed to this type of violence within the past
year, a new study says.
Breast Cancer Risk May Rise With High Hormone Levels
FRIDAY, Oct. 21 (HealthDay News) -- Elevated levels of hormones
increase breast cancer risk in postmenopausal women, and as the
number of different elevated hormones rises, so does the risk, a
new study has found.
Femara May Beat Tamoxifen at Preventing Breast Cancer's Return
FRIDAY, Oct. 21 (HealthDay News) -- The breast cancer drug
letrozole, marketed as Femara, may be more effective than tamoxifen
at preventing the return of breast cancer and improving survival
among older women with hormone-sensitive breast cancers, a new
Research Suggests Penis Might Produce Testosterone
FRIDAY, Oct. 21 (HealthDay News) -- Textbooks have long listed
the centers of male hormone production as the testes and adrenal
glands. But those textbooks might need revising if the results of a
new study, showing hormone production in the penis itself, turn out
to be true.