Washington: University of Adelaide research has for the first time confirmed that women who eat a poor diet before they become pregnant are around 50% more likely to have a preterm birth than those on a healthy diet.

Buffalo: High-voltage electronic cigarettes (e-cigarettes) may expose users to increased levels of toxic chemicals, including formaldehyde and acetaldehyde,

Minneapolis: New research suggests that high blood pressure in middle age plays a critical role in whether blood pressure in old age may affect memory and thinking.

Arlington Heights: Yoga has long been promoted as a method for improving physical and mental well-being. And although yoga is often suggested to asthma sufferers to help alleviate symptoms, a recent study found little evidence that yoga will improve symptoms.

Philadelphia: Electromagnetic radiation from cellular phones may adversely affect bone strength, suggests a study in the March Journal of Craniofacial Surgery. The journal is published by Lippincott Williams & Wilkins, a part of Wolters Kluwer Health.

Orlando: The use of aspirin at least once per month is associated with a significant decrease in pancreatic cancer risk.