THURSDAY, June 30 (HealthDay News) -- Parents who smoke are more likely to try to kick the habit if their child is having surgery, but their chances of success aren't any better than normal, a new study reveals.

THURSDAY, June 30 (HealthDay News) -- About two-thirds of Internet sexual offenders bring up the topic of sex during the first chat session with adolescents and young adults, a new study has found.

(HealthDay News) -- Slow, gentle stretching before you begin more intense exercise is essential to warming up and preventing injury. It gives your body time to adjust before more intense activity.

(HealthDay News) -- Allergy shots can provide much-needed relief from watery eyes, runny nose and other allergy symptoms.

THURSDAY, June 30 (HealthDay News) -- Many U.S. college students use mobile phone applications (apps) while driving, a new study suggests.

THURSDAY, June 30 (HealthDay News) -- Women diagnosed with breast cancer who also suffer from other health problems have higher death rates than women who just have breast cancer, according to researchers.

WEDNESDAY, June 29 (HealthDay News) -- The more memory blackouts a college student experiences when drinking, the more likely he or she is to suffer an injury while drinking at some time in the future, a new study says.

WEDNESDAY, June 29 (HealthDay News) -- Outpatient electronic prescribing systems make the same common mistakes that occur in manual systems, a new study finds.

THURSDAY, June 30 (HealthDay News) -- Illegal tobacco sales to minors have reached an all-time low in the United States as the result of a historic federal and state partnership, according to a federal government report.

THURSDAY, June 30 (HealthDay News) -- Cotton swabs offer a cheap, effective way of reducing surgical site infections, according to researchers.

THURSDAY, June 30 (HealthDay News) -- A new strain of drug-resistant scarlet fever appears to be rapidly spreading through Hong Kong and mainland China, but U.S infectious disease experts remain confident that the new bug isn't heading here anytime soon.

WEDNESDAY, June 29 (HealthDay News) -- Motivational text messages more than double the odds that smokers will be able to kick the habit, new research suggests.

THURSDAY, June 30 (HealthDay News) -- Annual low-dose CT scans cut the death rate from lung cancer by 20 percent in heavy smokers and formerly heavy smokers, compared to those who get annual chest X-rays, according to the results of a major National Cancer Institute study released on Wednesday.

THURSDAY, June 30 (HealthDay News) -- The number of U.S. teen boys who end up in emergency rooms for drinking-related injuries doubles over the July 4th weekend, federal officials say.

THURSDAY, June 30 (HealthDay News) -- You're probably familiar with how easy it is to remember things that never happened, especially if you're around people who recall things the same way.

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

THURSDAY, June 30 (HealthDay News) -- The number of U.S. workers aged 16 and older with elevated blood lead levels has dropped by more than half over the past two decades -- from 14 per 100,000 in 1994 to 6.3 per 100,000 in 2009, a new study reveals.

THURSDAY, June 30 (HealthDay News) -- The U.S. Food and Drug Administration on Thursday advised doctors to warn women of childbearing age that fetal exposure to certain drugs used to control seizures or migraines appears to diminish intellectual abilities in offspring.

THURSDAY, June 30 (HealthDay News) -- The cost of Provenge, an expensive and newly approved therapeutic prostate cancer vaccine, will be covered by Medicare for men with metastatic prostate cancer, the agency announced late Thursday.