(HealthDay News) -- While most cases of the common cold in young children are harmless, there are certain warning signs that should prompt a call to the pediatrician.

(HealthDay News) -- Pregnant women need to produce more red blood cells (to share with the fetus) than when they aren't pregnant. To make this extra blood, pregnant women need to get more iron. Otherwise, they're at risk of iron-deficiency anemia.

TUESDAY, June 7 (HealthDay News) -- Women who gain an excessive amount of weight during pregnancy tend to have chubbier babies, a possible risk factor for childhood obesity, new research suggests.

TUESDAY, June 7 (HealthDay News) -- A new study suggests that depressed people suffer from an inability to rid themselves of negative thoughts because they can't turn their attention to other things.

TUESDAY, June 7 (HealthDay News) -- Being in a serious relationship is not enough to protect young gay men from infection with HIV, new research suggests.

TUESDAY, June 7 (HealthDay News) -- Got a big decision to make and thinking about sleeping on it?

TUESDAY, June 7 (HealthDay News) -- Abnormalities identified on the right side of a person's heart could signal conditions involving both the heart and lungs, according to new research.

TUESDAY, June 7 (HealthDay News) -- Children who survive cancer are more likely to develop another tumor later in life, a new study of nearly 18,000 cancer survivors found.

TUESDAY, June 7 (HealthDay News) -- The reaction to the 2009 U.S. Preventive Services Task Force recommendations that women in their 40s did not need routine mammograms was swift and furious. Using email, social networking sites and electronic bulletin boards, breast cancer survivors vented their outrage.

TUESDAY, June 7 (HealthDay News) -- People who have hip or knee replacement surgery at hospitals that do relatively few surgeries are at greater risk for serious complications after the procedure, new research reveals.

TUESDAY, June 7 (HealthDay News) -- Imaging scans show that chronic daily use of marijuana can have a detrimental effect on the brain, according to a new report.

TUESDAY, June 7 (HealthDay News) -- Testosterone levels don't necessarily drop with age, but it's more likely among older men with declining general health, a new study suggests.

TUESDAY, June 7 (HealthDay News) -- Mental health problems are the leading cause of disability among children, teens and young adults worldwide, according to a new study.

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

TUESDAY, June 7 (HealthDay News) -- Increasing out-of-pocket expenses forces many cancer patients in the United States to forgo drugs and doctor appointments and to cut back on food and other necessities, a new study reveals.

TUESDAY, June 7 (HealthDay News) -- As a deadly new strain of E. coli in Europe makes headlines, U.S. health officials announced Tuesday that salmonella, not E. coli, remains the biggest foodborne health threat to Americans.

TUESDAY, June 7 (HealthDay News) -- Male and female military personnel exposed to combat zone trauma tend to experience similar mental health problems and recover at the same rate, a new study reveals.