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Health & Fitness > HIV / AIDS The facts about AIDS (HIV): 8 of 25
The virus Human Immunodeficiency Virus (HIV) produces the epidemiologic disease AIDS (Acquired immunodeficiency disease). In the following article the mechanism by which the HIV virus disables the host's immune system is discussed, along with other aspects of the disease. HIV virus disables the immune system by disabling the... More..
Health & Fitness > Allergies What is an allergy?: 10 of 27
Allergy, the condition of developing red spots, itchiness, etc, may be medically defined as the hypersensitivity reaction type I. In this type of hypersensitivity reaction, various stimuli from the environment may be potent to trigger the release of histamine, the underlying cause of allergy, from the corresponding cells by ... More..
Health & Fitness > Heart Disease & Heart Attack Recognizing the symptoms of heart attack: 7 of 16
Heart attack,one of the most common cause of death world-wide, is manifested by chest pain, syncope, and shortness of breath. First of all, chest pain is caused by the depletion of energy in the ischemic myocardium. After the extensive done by numerous biologists world-wide, one may be able to conclude that chest pain is a s... More..
Health & Fitness > Diabetes How diabetes 'works': 3 of 6
Diabetes, medically known as diabetes mellitus, is the condition in which the hormone insulin functions abnormally. Insulin is produced by the endocrine portion of the the pancreas and functions to diminish the blood glucose level when it rises above the acceptable level. In certain pathologic conditions, the the mechanism b... More..
Health & Fitness > Vitamins & Dietary Supplements Vitamin B1: Thiamine: 3 of 4
The first vitamin in the B group is known as thiamine, also called B1, which plays vital roles in the metabolism. Frist of all, the vitamin thiamine is a cofactor for the enxyome pyruvate dehydrogenase, a vital enzyme in the glycolytic pathway. The enzyme regulates how much energy is produced in the form of ATP (adenosine tr... More..
Health & Fitness > Heart Disease & Heart Attack What is Atherosclerosis: 3 of 4
Atherosclerosis, the formation of certain bumps composed of connective tissues and fat, is generated by various ill-formed lifestyle habits and numerous genetic predispositions. Atherosclerosis is generally composed of a lipid-rich core commonly generously enriched with cholesterol and low density lipoprotein (LDL), commonly... More..
Health & Fitness > Cancer What is cancer: 9 of 11
Tumour, defined as the uncontrolled growth of host tissue without benefiting the organsim, is one of the most feared disorders of our time. In general believe, tmour is thought of as a nodule of tissue that "grows rapidly, with more speedy cell cycle than normal." However, when discussing the problem medically, the concept c... More..
Health & Fitness > Hypertension & High Cholest Causes of hypertension: 6 of 6
Hypertension, one of the most common disease in our time that may dispose an individual to a wide variety of other cardiovascular pathologies, can be of several etiological origins. First of all, atherosclerosis may be considered as the top etiological factor for the development of hypertension. First of all, atherosclerosis... More..
Health & Fitness > Disease Prevention General features of the immune system: 5 of 5
The immune system, the mechanism by which our body protects ourselves from harmful agents such as bactera and virus, may be subdivided into two subgroups of response. The first subgroup is known as the innate response, the natural reactions to harmful agents and functions in the first line of defence. Macrophages, natural ki... More..
Sciences > Microbiology What disease does the bacteria Chlamydia pneumoniae cause and how?: 2 of 2
The Campylobacter genus belongs to the gastrointestinal gram negative rod family of bacteria, and the most renowned species of bacteria under the family is Campylobacter jejuni, a well known cause of pseudoappendicitis, the mimicking of appendicitis without the actual inflammatory reactions taking place at the appendix, acco... More..