Sunday, February 23, 2020

Health promotion-environmental health Essay Example | Topics and Well Written Essays - 3000 words

Health promotion-environmental health - Essay Example t (2003) planning model will be used due to the need to design a societal structure for this intervention combined with some of the characteristics of empowerment. Obesity continues to be a growing problem for the UK and childhood obesity is no exception. The most recent survey statistics (2001) indicate that 8.5% of 6 year olds and 15% of 15 year olds are obese (Chinn, 2001). Obesity is a major risk factor for diabetes and heart disease as well as early mortality. The prevalence of this kind of obesity has increased rapidly since the 1990’s. Studies like the one done by Donnelly, Jacobsen, and Whatley (1998) show that school/pre-school interventions work best for the population that is important for this intervention which are children ages 5-15. These studies show that these programs work best when both diet and exercise are combined in the same intervention (Donnelly, et.al., 1998). Increasing physical activity levels improves not only the obesity but the other problems that are developed early by these children such as hypertension, diabetes and heart disease. It is shown in the reviewed literature that the need for education and activities are important but it is also suggested that those be carried into the home as many children do well in an intervention in school and destroy the gains they have made when they go home. There are many health promotion intervention programs in effect right now due to the urgency of solving the problem. In a meta-analysis completed by Harris, Kuramoto, and Schulzer (2009), 18 studies were reviewed in which 18, 141 children met the inclusion criteria and were reviewed. The study duration lasted from 6 months to 3 years and the participants were primarily elementary school children. The results of these studies did not show improvement in BMI but there was decrease in waist size and decrease in lipids and blood sugar. There has also been the new dietary guidelines for healthy eating which was initiated by the Department

Friday, February 7, 2020

Wireless Area Network Coursework Example | Topics and Well Written Essays - 500 words

Wireless Area Network - Coursework Example Wireless network for a company of 100 employees for purpose of data sharing and printing is discussed in the paper. In a company any employee can get connected with any other computer on the network to access data collectively. Printers can be shared and data sharing becomes extremely convenient. Hardware can be shared remotely without physical connection. Applications can be used for conferencing, messaging, screen sharing and file transfers. Besides these advantages of networking, wireless networks give mobility, flexibility, range and low equipment cost over conventional wired networks. The main downside of wireless networking includes limited or slow data transfer rates because of less bandwidth available as compared to wired network. Furthermore, security threats are more. Security features have evolved over time, making intrusion difficult. There are two types of networks. Server based or infrastructure and peer to peer. Server based networks utilize central servers. These servers store data and provide to clients (connected computers on network) on request (Mitchell, 2011). Peer to peer networks have no dedicated server, and computers can act as servers and clients (Allen, 2002). Server based networks offer more security and reliability of data as it is stored centrally and is typically used for large scale corporations. Peer to peer networks are more flexible and convenient for data sharing between computers and to incorporate flexible user base. Therefore, for the company with 100 computers a peer to peer network supported by infrastructure based wireless network is most suitable. Protocols are the standards used to operate a network. Most commonly used protocols for wireless network are 802.11a/b/g and n. 802.11n is suitable for the company as it offers greater range, increased bandwidth of over 150 Mbps, improved security and can even support voice calls (DeBeasi, 2009). For security,