Dementia is an organic brain syndrome which results in global cognitive impairments. Dementia can occur as a result of a variety of neurological diseases. Some of the more well known dementing diseases include Alzheimer’s disease (AD), multi-infarct dementia (MID), and Huntington’s disease (HD). Throughout this essay the emphasis will be placed on AD (also known…
The human brain is a very complex and elaborate organ. There are presently countless ongoing studies that are attempting to map out this intricate system. The task is quite complicated due to the numerous components that are a part of the brains composition. One aspect of the brain that is of much interest is the…
Psychiatrist Berney Goodman, writes, “Hypochondria is an emotional disorder involving unremitting fears of illness and somatization symptoms that last for more than six months and cause significant disability” (34). Hypochondria are much more psychological and people who suffer from don’t realize the disease is, as many may inaccurately describe it, “all in their heads.” Hypochondria…
Thousands of people all over the world suffer daily from cancer. As technology improves, medical advances are made to prolong the life of cancer patients at all costs. Treatments such as chemotherapy and radiology have become increasingly accepted as the normal care for cancer. While technology concentrates on treating the cancer and remedying the scientific…
As more people become aware of what medical procedures are taking place in the world, it is only natural that there will always be controversy. Lives are full of choices, and no matter what you choose there are always people who do not think that your choice was the right one to make. As more…
Copper is derived from the Latin word cuprum, which means “from the island of Cyprus”. Copper has been put to use for at least 11,000 years according to archaeologists. Ancient people found copper in “nuggets and masses on the surface of the Earth, adjacent to streams, in the walls of canyons” (Lugaski, 1997, n.p.). Throughout…
If sit-ups are not giving you the taut tummy you desire. If you’ve got a little too much flab or excess skin in your abdomen that won’t diminish with diet or exercise, you may want to consider liposuction or an abdominoplasty, popularly referred to as a “tummy tuck.” Let me explain the differences in the…
In insects, the regulation of water balance is of critical importance in maintaining homeostasis [1]. Homeostasis is the state of relative stability of the internal environment of an organism. One of the main processes involved in the control of water balance is diuresis. Diuresis is the elimination of excess water in the form of urine. …
Prions are proteins that are found in the nerve cells of all mammals. Numerous prions are in each nerve cell, but no one knows for sure what the prion protein does. The brain of a human or animal infected with a prion “disease” has many abnormally-shaped prions. One hypothesis states that when a person or…
There are three measures to central tendency: the mean, median, and mode. These measures relate in different ways to different distributions either skewed or normal. Intelligence tests can also be measured using central tendency principles as well each has a distribution. Intelligence tests also are biased in material and need regular updates. The mean is…
Today’s modern cheetahs can run 60 mph to catch prey. Their ancestors could originally only run 20 mph. There was selective pressure in the environment of cheetahs that demanded for faster cheetahs to catch more prey because there was a battle for survival. There was variation in the ancestral population. Some cheetahs could run faster…
The human body is a functioning system of many diverse parts which are all related to one another. The hormones which are found in humans are no different; they interact within the human body and take part in many vital and necessary procedures for the survival and reproduction of humans. The two major systems in…
Introduction: Mars; The History of Studies are Endless As early as 300BC, Egyptians have referred to Mars as “Horus of the Horizon”. From the beginning that this massive red rock that boarders the terrestrial planets in their orbit around The Sun has been discovered, it has mystified and left civilians and mainly scientists wondering if…
The Portuguese Man o’ War if a member of the Kingdom Animalia, phylum Cnidaria(1), class Hydrozoa, order Siphonophra, the genus Physalia, and the species Physalia(2). The man-of-war is not an actual jellyfish, but a Siphonophor. Also the man-of-war is not a single organism. It is made up of many different organisms that work together. These…
An antibiotic is defined to be a drug produced by certain microbes. Most doctors use antibiotics to help fight the germs in a patient. Antibiotics are obtained from plants, fungi, air, water, soil, just about anything on earth. Antibiotics kill and attack the germ or virus in the body, but do not hurt the human…
In the human body, each cell contains 23 pairs of chromosomes, one of each pair inherited through the egg from the mother, and the other inherited through the sperm of the father. Of these chromosomes, those that determine sex are X and Y. Females have XX and males have XY. In addition to the information…
The laser is a device that generates a beam of light. The beam is produced by a process known as stimulated emission, and the word “laser” is an acronym for the phrase “light amplification by stimulated emission of radiation.” Similar to radio waves, light can also carry information. The information is encoded in the beam…
Roy began work on her theory in the 1960s. She drew from existing work of a physiological psychologist, and behavioral, systems and role theorists. She was keenly interested in the psycho/social aspects of the person from the start and concentrated her education on this aspect of Person. Thus, the language/thinking of psychology and sociology became…
Ice Ages Earth has had several ice ages Ice ages are periods of time when freezing temperatures created massive sheets of ice that covered continents The last ice age ended between 6000 and 10,000 years ago During the last ice age, glaciers covered most of Canada and the Northern US How Ice Ages Occur An…
Maps are tools of the Geographer. With maps it is possible to see patterns on the surface of the earth much more clearly. It is very important that students of Geography learn to construct maps correctly and accurately. Here are the guidelines that you must follow when working with maps. A map is always accurate,…