Washington, Sept 30 : Scientists at the Kimmel Cancer Center at Jefferson in Philadelphia have found that prolactin, a pituitary hormone which stimulates breast development and milk production, initiates a new “signaling pathway” that may regulate the growth and survival of breast cancer cells.

Washington, September 30 : Researchers from the Johns Hopkins Bloomberg School of Public Health have found that working during adolescence raised the risk of a child’s taking to smoking at an earlier age.

The researchers focused their study on 14 to 18-year-old adolescents, and found that the subjects who worked more than 10 hours per week also started smoking at an earlier age than their peers.

Washington, Sept 30 : Researchers have discovered that uveitis, an inflammatory eye disease may be treated with a compound that blocks the action of aldose reductase, an enzyme essential to the production of inflammatory signaling molecules.

Uveitis, the inflammation of the uvea, a layer of tissue that lies just below the outer surface of the eyeball and includes the iris, is a condition that can be caused by both autoimmune and infectious diseases.

Washington, Sept 30 : Italian researchers have found that as many as 50 percent of overweight men and women with high blood pressure may have hypertension as a result of being overweight, and not obese.

The researchers reported the study at the American Heart Association’s 61st Annual Fall Conference of the Council for High Blood Pressure Research.