This paper presents an identity-based hierarchical designated decryption (IHDD) scheme which allows a message sender to generate ciphertexts that can be decrypted by (1) only a specified recipient or (2) a specified recipient and all or some of its ancestor users in the hierarchy tree. The newly proposed scheme can be considered as a combination of the hierarchical identity-based encryption (HI...

Aims We set out to compare the physical health monitoring of patients established on Clozapine within our local mental team (LMHT) national and trust guidance. also compared data collected in this audit with results from a similar conducted 2018 identify if improvements had been made services. then sought present findings LMHT shape formation newly up pharmacy technician led clinic. Methods Nat...

Current policy documents stress that raising standards in education and health are inextricably linked, with schools identified as well placed to advance both agendas. This paper considers these assumptions in the light of data derived from 27 staff interviews conducted in two secondary schools. These schools served relatively disadvantaged communities, but differed in their pupil smoking rates...

This paper proposes a designated verifier signature based on the Schnorr signature scheme. One of the advantages of the new scheme compared with the one proposed by Jakobsson, Sako and Impagliazzo is that not only the designated verifier (Bob) cannot convince a third party (Cindy) that a signature is originated by a given signer (Alice), but also nobody else other than Bob can even check the va...

BACKGROUND Individual counselling, pharmacotherapy, and group therapy are evidence-based interventions that help patients stop smoking. Acupuncture, hypnosis, and relaxation have no demonstrated efficacy on smoking cessation, whereas self-help material may only have a small benefit. The purpose of this study is to assess physicians' current clinical practice regarding smokers motivated to stop ...

BACKGROUND Employers have responded to new regulations on the effects of passive smoking by introducing a range of workplace policies. Few policies include provision of smoking cessation intervention. OBJECTIVE To estimate the cost to employers of smoking in the workplace in Scotland to illustrate the potential gains from smoking cessation provision. Costs vary with type of smoking policy in ...

OBJECTIVES To evaluate genetic damage as the frequency of sister chromatid exchanges and micronuclei in lymphocytes of peripheral blood of operating room personnel exposed to waste anaesthetic gases. METHODS Occupational exposure was measured with a direct reading instrument. Venous blood samples were drawn from 10 non-smokers working in the operating room and 10 non-smoking controls (matched...

OBJECTIVE To review smoking policies of major international airports, to compare these policies with corresponding incountry tobacco control legislation and to identify areas of improvement for advancing smoke-free policy in airports. METHODS We reviewed smoking policies of 34 major international airports in five world regions, and collected data on current national and subnational legislatio...

OBJECTIVE This paper examines overall and gender- and racial/ethnic-specific relationships between exposure to state-sponsored anti-tobacco televised advertising and smoking-related outcomes among US middle and high school students using five years of cross-sectional nationally representative data. DESIGN Nationally representative 8th, 10th, and 12th grade student sample data for 1999-2003 we...

OBJECTIVE To assess long term compliance with the California Smoke-Free Workplace Law in Los Angeles County freestanding bars and bar/restaurants. DESIGN Population based annual site inspection survey of a random sample of Los Angeles County freestanding bars and bar/restaurants was conducted from 1998 to 2002. MAIN OUTCOME MEASURES The primary outcomes of interest were patron and employee ...