Some new reverses of the Cauchy-Bunyakovsky-Schwarz inequality for n−tuples of real and complex numbers related to Cassels and Shisha-Mond results are given.

BACKGROUND Electronic cigarettes (e-cig.) became widely used among adults. Data are insufficient about e-cig. experimentation among youth. METHODS To assess prevalence of e-cig. experimentation and associated factors among the 12 to 19 years old we analyse a cross sectional school based survey in the city of Paris, France in 2013 on a randomly selected sample of 2 % of schoolchildren (n = 3 2...

This study aimed to investigate the prevalence of mental disorders caused drug dependency and substance abuse in hospitalized patients of Farabi Hospital in Kermanshah City. The study method was retrospective descriptive. The research population and statistical sample consisted all of patients with mental disorders and hospitalized drug abuse in Farabi Psychiatric Hospital in 2012 which 359 pat...

Günümüzde tütün ve tütünün farklı şekillerde kullanımı her geçen gün artmaktadır. Özellikle son yıllarda nargile şeklinde önemli ölçüde artmıştır. Bu çalışmanın temel amacı kullanan bireylerin nargileye yönelik bilgi, tutum davranışlarını ortaya koymaktır. Çalışma grubu ile ilgili bir Facebook grubuna üye 265 erkekten oluşmaktadır. Veriler kullanıcılara çevrimiçi olarak sunulan anket formu arac...

OBJECTIVE To determine the frequency of waterpipe smoking in students of different age groups. STUDY DESIGN Cross-sectional survey. PLACE AND DURATION OF STUDY Karachi, Pakistan, from February 2012 to February 2013. METHODOLOGY The subjects were divided into two age groups. Group-I comprised of 13 - 17 years old randomly selected students from O' Level schools in Karachi and group-2 inclu...