New York, (IANS), Biologists have identified over 8,000 new combinations of antibiotics that are surprisingly more effective at killing harmful bacteria than the prevailing ones.

Sydney, (IANS), Does your adolescent son or daughter suffer from back pain often? Beware, he or she may be more likely to smoke cigarettes, drink alcohol, and report problems like anxiety and depression.

London (IANS), Often marketed as a healthy dairy product, yogurt is not necessarily good as it contains free or added sugars and fat -- even more than soft drinks and fruit juices, thus increasing the risk of obesity, a study has claimed.

By Anil K. Rajvanshi, Kapalbhati is a part of Pranayam kriya where one forcefully exhales rapidly and in short bursts. Practitioners claim that it helps in cleaning lungs and in exercising the abdomen muscles. It is, therefore, recommended for reducing tummy fat.

V Thilliar, The definition put forward by the World Health organization in 1948 states that health is a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity. The definition has not been amended since 1948.