MONDAY, July 12 (HealthDay News) -- For children undergoing stem cell transplantation, complementary therapies such as massage and humor therapy don't seem to reduce their distress, researchers found.

(HealthDay News) -- Eating a well-balanced diet is important for everyone, and vegetarians are no exception. Some nutrients may be more difficult to come by without meat in the diet, requiring some advanced planning.

(HealthDay News) -- Managing all of your responsibilities at home and work can make it difficult to find some personal time.

MONDAY, July 12 (HealthDay News) -- Although elevated cholesterol levels are generally considered an adult problem, a new study suggests that current screening guidelines for cholesterol in children miss many kids who already have higher cholesterol levels than they should.

MONDAY, July 12 (HealthDay News) -- A large study by U.S. and Australian researchers suggests that puberty can be associated with a substantial increase in violent and socially aggressive behavior.

MONDAY, July 12 (HealthDay News) -- Diffusion MRI scans are better at diagnosing ischemic stroke than CT scans, according to a new guideline released by the American Academy of Neurology.

MONDAY, July 12 (HealthDay News) -- Women who had gestational diabetes in their first and second pregnancies are at greatly increased risk for the condition in future pregnancies, a new study finds.

MONDAY, July 12 (HealthDay News) -- People who actually expect an unexpected event aren't more likely to spot these events than people who aren't anticipating anything, a new study suggests.

MONDAY, July 12 (HealthDay News) -- Eye chart tests reliably detect nearsightedness in adolescents but not farsightedness or astigmatism, according to a new study.

SUNDAY, July 11 (HealthDay News) -- Physical activity and adequate levels of vitamin D appear to reduce the risk of cognitive decline and dementia, according to two large, long-term studies scheduled to be presented Sunday at the International Conference on Alzheimer's Disease in Hawaii.

MONDAY, July 12 (HealthDay News) -- A large number of weight-loss supplements don't appear to work any better than placebos (or fake supplements) at helping people shed pounds, a new study has found.

MONDAY, July 12 (HealthDay News) -- A new study suggests that Alzheimer's disease develops slower in people with bigger heads, perhaps because their larger brains have more cognitive power in reserve.

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:

MONDAY, July 12 (HealthDay News) -- There's no lack of scientific evidence proving that staying in shape and eating right are critical to a long and healthy life, but the fact that over 8 million Americans have histories of heart attack, stroke or heart failure suggests that too few are taking the message seriously.

MONDAY, July 12 (HealthDay News) -- Weight loss might help middle-aged women who are overweight or obese reduce bothersome hot flashes accompanying menopause, according to a new study.

MONDAY, July 12 (HealthDay News) -- Salsa and guacamole are becoming increasingly significant causes of foodborne disease, according to the U.S. Centers for Disease Control and Prevention.

MONDAY, July 12 (HealthDay News) -- Three new studies suggest that vitamins D and E might help keep our minds sharper, aid in warding off dementia, and even offer some protection against Parkinson's disease, although much more research is needed to confirm the findings.

MONDAY, July 12 (HealthDay News) -- Patients who have a heart attack and undergo procedures to open blocked arteries are getting proven treatments in U.S. hospitals faster and more safely than ever before, according to the results of a large-scale study.

MONDAY, July 12 (HealthDay News) -- The snoring and breathing disturbances of sleep apnea may be more than just a nuisance, with a new study linking the condition to higher risks for heart failure and heart disease in middle-aged and older men.