(HealthDay News) -- Iron is an essential mineral that's present in all cells. As a key component of hemoglobin in the blood, for example, it helps carry oxygen from the lungs to the rest of the body.

(HealthDay News) -- It can be stressful for any parent to leave a child in the care of a babysitter, particularly if your child is diabetic.

FRIDAY, March 4 (HealthDay News) -- Children are more likely to be physically active if they have good parks and playgrounds in their neighborhoods, researchers report.

FRIDAY, March 4 (HealthDay News) -- Poor diagnosis and ineffective treatment of diabetes may put millions of people worldwide at risk for early death, a new study finds.

FRIDAY, March 4 (HealthDay News) -- Upwards of one-fifth of patients who seek care at one of California's hospital emergency departments leave before being seen by anyone, new research reveals.

FRIDAY, March 4 (HealthDay News) -- A diet rich in foods that are loaded with potassium can reduce your risk for a stroke by 21 percent and may also lower your risk of heart disease, a new study suggests.

FRIDAY, March 4 (HealthDay News) -- Breast cancer survivors may be at increased risk for falls and broken bones due to the combined effects of chemotherapy and endocrine therapy, a new study suggests.

FRIDAY, March 4 (HealthDay News)-- Men need more support before and after their child is born, new research suggests.

THURSDAY, March 3 (HealthDay News) -- An analysis of breast tissue may help doctors better predict outcomes for women with breast cancer, a new study reports.

FRIDAY, March 4 (HealthDay News) -- Many parents exaggerate their levels of parental joy to justify and accept the high cost of raising children, new research suggests.

FRIDAY, March 4 (HealthDay News) -- A free handbook to help parents learn how to talk with their teens about alcohol is being offered by the American College of Emergency Physicians and Mothers Against Drunk Driving.

FRIDAY, March 4 (HealthDay News) -- The risk of being infected with antibiotic-resistant bacteria when using community gyms may not be as high as believed, a new study suggests.

FRIDAY, March 4 (HealthDay News) -- In what experts are calling a significant step forward in Alzheimer's research, scientists have for the first time turned human embryonic stem cells and a form of human skin cell into a type of brain cell that's lost to Alzheimer's disease.

FRIDAY, March 4 (HealthDay News) -- Cancer patients are willing to tolerate multiple needle pokes, X-rays, ultrasounds, PET and CT scans to receive advanced experimental treatments in early-stage clinical trials, with some even amenable to extra tumor biopsies, according to a new study.

FRIDAY, March 4 (HealthDay News) -- New research contends that the distance between the posterior base of the scrotum and the anus can predict the strength of a man's sperm population.

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: