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Obesity in adolescence has increased significantly over the past 30-40 years and a recent international comparison study (13 European countries, Israel and the US) showed that the highest prevalence in adolescents was found in the US (12.6% in 13 year old boys, 10.8% in girls; 13.9% in 15 year old boys and 15.1% in 15 year old girls) and the lowest in Lithuania. This increase in adolescence is a public health concern, because most obese adolescents continue their obesity into adulthood with serious risk for chronic disease. Focus should therefore be on prevention programs that increase healthier patterns of lifestyle and physical activity.

There has been observed a worldwide increase in childhood asthma and this short communication reviews current research on adolescent asthma in Israel. Several studies have found an overall asthma prevalence of 7.8% for Jewish children, 4.9% for Arab children and 3.7% for the total population, while 7.8% was found in Bedouin children in the south of Israel. For the 1980-1997 period for the 5-34 year age group the AMR (asthma mortality rate) per 100,000 was found to be 0.226 with no significant difference between Jews and Arabs. This is a decrease as a result of increase in the use of inhaled corticosteroids (ICS) and a better anti-inflammatory treatment.