Essay about effects and causes of second hand smoke - with a puff a day, one will be seeing the doctor every day cigarettes are like buying death sticks, which slowly kills one by opening the doors for chronic diseases, for example mouth and lung cancer. Health depends on the environment in which one is born and brought up environment can be both a causes as cure of many diseases in the context of health and disease environment may be divided under two headings (i) external environment and (ii) internal environment factors like air, water, earth and its various products etc comprise the external environment whereas the blood with various. A ucla study reveals how human genes interact with their environment to boost disease risk published in the feb 18 online edition of the american journal of human genetics, the findings shed.
Although humans are an accidental host, ticks can still cause very serious diseases in people ticks may be found on a number of different animals, both domestic and wild, and may spread to humans during close contact. One benefit of studying human genetic variation is the discovery and description of the genetic contribution to many human diseases this is an increasingly powerful motivation in light of our growing understanding of the contribution that genes make to the development of diseases such as cancer, heart disease, and diabetes. Causes of disease in humans a disease is usually a medical condition that affects the body of an organism in humans, disease is often broadly used to refer to any condition that causes pain, dysfunction, distress or death to the person affected.
An autoimmune disease is a condition in which your immune system attacks your body common autoimmune diseases include type 1 diabetes, rheumatoid arthritis, and inflammatory bowel disease. Essay on the human diseases protein deficiently causes two major diseases kwashiorkor and marasmus (b) mineral deficiency causes specific diseases here you can publish your research papers, essays, letters, stories, poetries, biographies and allied information with a single vision to liberate knowledge. Coronary artery disease or cad is the most common type of heart disease and the leading cause of death in both genders in the us coronary artery disease affects the arteries supplying blood to the heart muscle. Global warming have causes many problem for human but we human who make global warming happens many people have died because of disease or disaster it also affects the economics of the country. A primary disease is a disease that is due to a root cause of illness, as opposed to secondary disease, which is a sequela, or complication that is caused by the primary disease for example, a common cold is a primary disease, where rhinitis is a possible secondary disease, or sequela.
The causes of disease in humans synoptic essay for aqa biology, a2 unit 5. Various heart disease causes the causes of heart disease vary by type of heart disease causes of cardiovascular disease development of atherosclerosis development of atherosclerosis if you have too many cholesterol particles in your blood, cholesterol may accumulate on your artery walls eventually, deposits called plaques may form. Cancer is a complex group of diseases with many possible causes in this section you can learn more about the known and possible causes of cancer, as well as general information about carcinogens and how genetics play a role in cancer. Causes of cancer cancer is a non-inflammatory disease, which can be defined as abnormal cell divisions and growth in a specific part of the living body.
Causes of ebola the ebola virus is the primary cause of ebola there are four identified subtypes, and all but one are known to have caused disease in humans there are no other known causes human-to-human transmission of the virus occurs through direct contact with infected people, or their body fluids (such as blood or secretions). Synoptic essay example this was a real question asked by aqa not long ago marked at a grade a discusses various causes of disease including key examples. Heart disease - research papers on heart disease look into the number of conditions involving the human heart and blood vessels that cause cardiovascular disease hispanics and diabetes - research papers on hispanics and diabetes examine the increase of diabetes that has developed in the hispanic population. They're normally harmless or even helpful, but under certain conditions, some organisms may cause disease some infectious diseases can be passed from person to person some are transmitted by bites from insects or animals other parasites may be transmitted to humans from animal feces direct contact.
Science finds many causes for disease and sometimes more than one cause for a given disease pseudoscience has identified the one true cause of all disease—many times i did an internet search and found sixty-seven single causes of all disease (see accompanying box. The causes of the diseases were contamination of the spinach and the environmental risk factors for the contamination were the presence of pigs in the nearby areas, and surface waterways exposed to feces from cattle. Heart disease is a leading cause of morbidity and early death in babies, teenagers, and adults many types of heart diseases arise from genetic mutations that are inherited as a familial trait or occur as a sporadic event.