Washington, Oct 1 : Adolescents who feel relaxed when first exposed to nicotine from cigarettes are the ones likely to get hooked, a new study has revealed.

The University of Massachusetts Medical School conducted the study to find why some adolescents who try smoking get hooked to it while others do not.

Washington, October 1 : A team of researchers at IRB Barcelona have identified two special surface receptors that prevent the spread of colon cancer.

Eduard Batlle, ICREA researcher and head of IRB Barcelona’s Oncology Programme, says that the benign tumour cells called adenomas—the formation of which is the first step in the development of colon cancer—have special surface receptors called EphB2 and EphB3, which detect the presence of certain ligands in the healthy tissue that surround them.

Washington, October 1 : Johns Hopkins researchers say that a popular prostate cancer treatment called androgen deprivation therapy may encourage prostate cancer cells to produce a protein that makes them more likely to spread throughout the body.

Washington, Oct 1 : Young children who spend two or more hours a day in front of the idiot box are at an increased risk of developing behavioural problems and poor social skill, warn researchers at the Johns Hopkins Bloomberg School of Public Health.

The finding is based on an analysis of data for 2,707 children between 2.5 to 5.5 years of age collected from the Healthy Steps for Young Children national evaluation by the researchers.

Washington, October 1 : Researchers in Bristol have found that hearts may develop innate protection against further damage after coronary disease.

However, the same study has also shown that western-style high fat diets can significantly weaken this internal defence of the organ.