Tuesday, April 29, 2008

The Effect of Tobacco On Health

The effects of tobacco on health are significant, depending on the way the tobacco is used and the amount. Major health effects of smoking, the most common use of tobacco, include an increased risk in lung cancer and cardiovascular disease. The World Health Organization estimated in 2002 that in developed countries, 26% of male deaths and 9% of female deaths were attributable to smoking. Similarly, the United States Centers for Disease Control and Prevention describes tobacco use as “the single most important preventable risk to human health in developed countries and an important cause of premature death worldwide.

Disease linked to tobacco smoking
Diseases linked to smoking tobacco cigarettes include:

  • Many forms of cancer, particularly lung cancer, cancer of the kidney, cancer of the larynx and head and neck, breast cancer, bladder, esophagus, pancreas, and stomach. There is some evidence suggesting an increased risk of myeloid leukemia, squamous cell sinonasal cancer, liver cancer, cervical cancer, colorectal cancer after an extended latency, childhood cancers and cancers of the gall bladder, adrenal gland and small intestine.
  • Cardiovascular disease, either it may be a heart stroke or peripheral vascular disease.
  • Respiratory ailments like common cold and bronchitis, chronic obstructive pulmonary disease, emphysema and chronic bronchitis in particular.
  • Birth defects of pregnant smokers’ offspring.
  • Buerger’s disease thromboangiitis obliterans.
  • Cataracts that may cause blindness
  • Cognitive dysfunction such as increased risk of Alzheimer’s disease and decline in cognitive abilities and reduced memory and cognitive abilities in adolescent smokers and brain shrinkage.
  • Finally Impotence

Saturday, April 26, 2008

IP Telephony

Internet Protocol (IP) telephony (also known as Internet telephony) is a service based on Voice over IP (VoIP), a disruptive technology that is rapidly gaining ground against traditional telephone network technologies. In Japan and South Korea up to 10% of subscribers, as of January 2005, have switched to this digital telephone service. A January 2005 Newsweek article suggested that Internet telephony may be “the next big thing.” As of 2006 many VoIP companies offer service to consumers and businesses.

IP telephony uses a broadband Internet connection and IP Phones to transmit conversations as data packets. In addition to replacing POTS (plain old telephone service), IP telephony is also competing with mobile phone networks by offering free or lower cost connections via WiFi hotspots. VoIP is also used on private wireless networks, which may or may not have a connection to the outside telephone network.

IP telephony technology transforms many non-telephone electronics devices into unified communications devices which simulate telephone usage, such as adding telephone-like features to portable game devices, digital picture frames, or handheld GPS receivers, typically by incorporating a voice engine. When used on a personal computer, an IP telephone is referred to as a soft phone.

Usage of IP Telephony
By the end of 2006, there were a total of nearly 4 billion mobile and fixed line subscribers and over 1 billion Internet users worldwide. This included 1.27 billion fixed line subscribers and 2.68 billion mobile subscribers

Monday, April 21, 2008

Philosophy of mind

Philosophy of mind is the branch of philosophy that studies the nature of the mind, mental events, mental functions, mental properties, consciousness and their relationship to the physical body, particularly the brain. The mind-body problem, i.e., the relationship of the mind to the body, is commonly seen as the central issue in philosophy of mind, although there are other issues concerning the nature of the mind that do not involve its relation to the physical body.

Dualism and monism are the two major schools of thought that attempt to resolve the mind-body problem. Dualism is the position that mind and body are in some categorical way separate from each other. It can be traced back to Plato, Aristotle and the Sankhya and Yoga schools of Hindu philosophy, but Rene Descartes most precisely formulated it in the 17th century. Substance dualists argue that the mind is an independently existing substance, whereas Property dualists maintain that the mind is a group of independent properties that emerge from and cannot be reduced to the brain, but that it is not a distinct substance.

Monism is the position that mind and body are not ontologically distinct kinds of entities. This view was first advocated in Western Philosophy by Parmenides in the 5th century BC and was later espoused by the 17th century rationalist Baruch Spinoza. Physicalists argue that only the entities postulated by physical theory exist, and that the mind will eventually be explained in terms of these entities as physical theory continues to evolve. Idealists maintain that the mind is all that exists and that the external world is either mental itself, or an illusion created by the mind. Neutral monists adhere to the position that there is some other, neutral substance, and that both matter and mind are properties of this unknown substance. The most common monisms in the 20th and 21st centuries have all been variations of physicalism; these positions include behaviorism, the type identity theory, anomalous monism and functionalism.

Many modern philosophers of mind adopt either a reductive or non-reductive physicalist position, maintaining in their different ways that the mind is not something separate from the body. These approaches have been particularly influential in the sciences, especially in the fields of sociobiology, computer science, evolutionary psychology and the various neurosciences. Other philosophers, however, adopt a non-physicalist position, which challenges the notion that the mind is a purely physical construct. Reductive physicalists assert that all mental states and properties will eventually be explained by scientific accounts of physiological processes and states. Non-reductive physicalists argue that although the brain is all there is to the mind, the predicates and vocabulary used in mental descriptions and explanations are indispensable, and cannot be reduced to the language and lower-level explanations of physical science. Continued neuroscientific progress has helped to clarify some of these issues. However, they are far from having been resolved, and modern philosophers of mind continue to ask how the subjective qualities and the intentionality of mental states and properties can be explained in naturalistic terms.

Sunday, April 20, 2008

Under-Bed Storage Tips For Small Apartments

Every one was confused when they keep their huge possessions in safe place especially when they are living in small apartments like apartment austin. But you can use some extra storage space, and one good place to find just that is under your bed. Sure, they make such under-the-bed storage systems, which you can purchase and put together, but why pay for a kit when you can easily make them yourself. Here are some tips for who need the under bed storage system for their small apartment. There are various items that you can use to make the under-bed storage containers but it need something with sides, to hold your stuff in place, and something that's not too tall, so that it will easily slide under the bed. One idea is to use ordinary drawers. You can often find drawers, in or out of the dresser, at yard sales, flea markets and old country stores.

Casters have been used for years to shift heavy items around but now you can buy the new, improved version of casters. The objects are usually round and have ball bearings installed on one side. They aren't tall, like casters, making them ideal for under-bed storage usage. Purchase the flat casters and put one under each corner of each drawer. If there's enough room you can place two drawers, alongside, on each side of the bed. Be sure and know how much room you have to work with before purchasing the drawers. Another good way to get the under-bed drawers is to buy cheap cardboard sets. For kid’s room use twin and other small beds consider smaller items for storage units, such as serving trays. The trays must have four sides, to keep stuff from falling out, but they will easily fit on a couple of casters and slide in and out of their space. You can also purchase hard plastic bins of all shapes and sizes, which can hold quite a bit, then scoot under the bed. Nowadays many people are complaining that their homes don't offer enough storage space but you can make extra room by creating a set of under-bed storage units. These tips are very useful not only small apartment but also very useful for who are staying big apartments like denver apartments.

Wednesday, April 16, 2008

Neurochemistry and Physiology of the stress response

The neurochemistry of the stress response is now believed to be well understood, although much remains to be discovered about how the components of this system interact with one another, in the brain and throughout in the body.
In response to a stressor, corticotrophin-releasing hormone (CRH) and arginine-vasopressin (AVP) are secreted into the hypophyseal portal system and activate neurons of the Para ventricular nuclei (PVN) of the hypothalamus. The locus ceruleus and other noradrenergic cell groups of the medulla and pons, collectively known as the LC/NE system, also become active and use brain epinephrine to execute autonomic and neuro endocrine responses, serving as a global alarm system.
The autonomic nervous system provides the rapid response to stress commonly known as the fight-or-flight response, engaging the sympathetic nervous system and withdrawing the parasympathetic nervous system, thereby enacting cardiovascular, respiratory, gastrointestinal, renal, and endocrine changes.
The so-called hypothalamic-pituitary-adrenal axis (HPA), a major part of the neuro endocrine system involving the interactions of the hypothalamus, the pituitary gland, and the adrenal glands, is also activated by release of CRH and AVP. This results in release of adrenocorticotropic hormone (ACTH) from the pituitary into the general bloodstream, which results in secretion of cortisol and other glucocorticoids from the adrenal cortex. These corticoids involve the whole body in the organism’s response to stress and ultimately contribute to the termination of the response via inhibitory feedback.
Stress can significantly affect many of the body’s immune systems, as can an individual’s perceptions of, and reactions to, stress. The term psycho-neuro-immunology is used to describe the interactions between the mental state, nervous and immune systems, as well as research on the interconnections of these systems.


Friday, April 11, 2008

All about Pokemon

Pokemon is a media franchise owned by the video game company Nintendo and created by Satoshi Tajiri around 1995. Originally released as pair of inter-linkable Game Boy role-playing video games, Pokemon has since become the second most successful and lucrative video game-based media franchise in the world, behind only Nintendo’s Mario series. Pokemon properties have since been merchandised into anime, manga, trading cards, toys, books, and other media. The franchise celebrated its tenth anniversary on 27 February 2006, and as of 1 December 2006, cumulative sold units of the video games (including home console versions, such as the “Pikachu” Nintendo 64) have reached more than 155 million copies. The name Pokemon is the romanized contraction of the Japanese brand, “Pocket Monsters” as such contractions are very common in Japan. The term “Pokemon”, in addition to referring to the Pokemon franchise itself, also collectively refers to the 493 fictional species that have made appearances in Pokemon media as of the recent release of the newest Pokemon role-playing games (RPGs) for the Nintendo DS, Pokemon Diamond and Pearl. Like the words deer and sheep, the singular and plural forms of the word “Pokemon” do not differ, nor does each individual species name; in short, it is grammatically correct to say both “one Pokemon” and “many Pokemon”. In November 2005, 4Kids Entertainment, which had managed the non-game related licensing of Pokemon, announced that it had agreed not to renew the Pokemon representation agreement. Pokemon USA Inc., a subsidiary of Japan’s Pokemon Co., now oversees all Pokemon licensing outside of Asia

Wednesday, April 9, 2008

How To Repair Your Guitar

The best way to get your guitar is to take it to a professional guitar repairer. It is because the most repairs necessary are manner beyond know-how of an amateur and if you try to play yourself you are likely to make much more damage. Naturally, if you take great care of your guitar it should not really need any implementation of repairs. When it boils outside, the temperature in the vehicle is too hot distance to leave the guitar in the vehicle as most of the people leave their guitar in their car, because the adhesive on top break up and it will fall literally to the pieces.

If it is really that you have your guitar with you when you travel, you should pack it in a hard case surrounded by a good number have padded in particular around the neck of the guitar. If you travel on a plane, you should further fix it in a well-padded box.

There are, however, some minor adjustments that are easy for the amateur to make, for example, the adjustment of the intonation of your electric guitar. This will be necessary if you have recently altered the thickness of your strings or the action, which is the distance between the strings and the fret board. Many guitarists do this twice a year as a matter of course.

It is quite simple maneuver to do by moving the bridge saddle either backwards or forwards. To move the saddle of bridge, the screw, which holds it needs places from there to be adjusted and is useful for him to have a key of Allen to be used for this operation. Other that that, the only tool that you will have needed is a small screwdriver. Needs for saddle of bridge to only be very slightly thus moved hello when you turn the screw.

When you carry out the adjustment you need to make sure each string sounds the same when played in the open position as it does on the 12th fret. If you are not confident in your own sense of hearing to get this just right, you should use an electric guitar tuner. Every time you make an adjustment, you will need to turn the string back to E again before you can check the intonation.

From time to time on an electric guitar the truss rod will have need also to be adjusted. Do not try to do this yourself unless you are absolutely certain you are able - it is really the best to take it to a professional. The truss rod is a piece of steel functioning in bottom of the neck of your guitar and the manufacture of an adjustment to it will relieve a convex or concave arc in the neck of the guitar. Be informed - if this is not correctly done your guitar can suffer permanent and irrevocable damage.

Friday, April 4, 2008

Electronic Data Interchange (EDI)

Electronic Data Interchange (EDI) is a set of standards for structuring information that is to be electronically exchanged between and within businesses, organizations, government entities and other groups. The standards describe structures that emulate documents, for example purchase orders to automate purchasing. The term EDI is also used to refer to the implementation and operation of systems and processes for creating, transmitting, and receiving EDI documents.

Electronic Data Interchange (EDI) can be formally defined as 'The transfer of structured data, by agreed message standards, from one computer system to another without human intervention'. Most other definitions used are variations on this theme.

Advantages of using EDI
  • EDI and other similar technologies save a company money by providing an alternative to, or replacing information flows that require a great deal of human interaction and materials such as paper documents, meetings, faxes, etc.
  • Even when paper documents are maintained in parallel with EDI exchange, e.g. printed shipping manifests, electronic exchange and the use of data from that exchange reduces the handling costs of sorting, distributing, organizing, and searching paper documents.
  • EDI and similar technologies allow a company to take advantage of the benefits of storing and manipulating data electronically without the cost of manual entry
Barriers to ImplementationThere are a few barriers to adopting electronic data interchange.
  • One of the most significant barriers is the accompanying business process change.
  • Existing business processes built around slow paper handling may not be suited for EDI and would require changes to accommodate automated processing of business documents.
  • The existing process may therefore assume that goods are typically received before the invoice.
  • With EDI, the invoice will typically be sent when the goods ship andhttp://www.blogger.com/img/blank.gif will therefore require a process that handles large numbers of invoices whose corresponding goods have not yet been received.
  • Another significant barrier is the cost in time and money in the initial set-up.
  • The preliminary expenses and time that arise from the implementation, customization and training can be costly and therefore may discourage some businesses.
  • The key is to determine what method of integration is right for your company, which will determine the cost of implementation.
  • For some businesses, the implementation of an integrated EDI solution may be necessary as increases in trading volumes brought on by EDI force them to re-implement their order processing business processes.
  • The key hindrance to a successful implementation of EDI is the perception many businesses have of the nature of EDI.