Life orientation(life style diseases)

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Life orientation(life style diseases)

  1. 1. Life style diseases
  2. 2.  An obese person has accumulated so much body fat that it mighthave a negative effect on their health. If a persons bodyweight isat least 20% higher than it should be, he or she is consideredobese. If your Body Mass Index (BMI) is between 25 and 29.9 youare considered overweight. If your BMI is 30 or over you areconsidered obese.
  3. 3.  Hypertension, also referred to as high blood pressure, is acondition in which the arteries have persistently elevated bloodpressure. Every time the human heart beats, it pumps blood tothe whole body through the arter
  4. 4.  Cancer is a class of diseases characterized by out-of-control cellgrowth. There are over 100 different types of cancer, and each isclassified by the type of cell that is initially affected. Cancer harms the body when damaged cells divide uncontrollablyto form lumps or masses of tissue called tumors (except in the caseof leukemia where cancer prohibits normal blood function byabnormal cell division in the blood stream). Tumors can grow andinterfere with the digestive, nervous, and circulatory systems, andthey can release hormones that alter body function. Tumors thatstay in one spot and demonstrate limited growth are generallyconsidered to be benign.
  5. 5.  stroke occurs when blood flow is interrupted to a part of the brain,either when an artery bursts or becomes closed when a blood clotlodges in it. Blood circulation to the area of the brain served bythat artery stops at the point of disturbance, and the brain tissuebeyond that is damaged or dies. (Brain cells need blood to supplyoxygen and nutrients and to remove waste products.) Dependingon the region of the brain affected, a stroke can cause paralysis,loss of vision, speech impairment, memory loss and reasoningability, coma, or death.
  6. 6.  Human Immunodeficiency Virus (HIV) is a viral disease thatenters the body and infects the white blood cells of the immunesystem. If the immune system is infected, the body cannot protectitself from other viruses and infections. When infected by HIV, thebody is vulnerable to diseases that would not be a problem if theinfected person were healthy. The diseases that would not affect ahealthy person could cause a person infected with HIV to becomevery ill or could even cause death.
  7. 7.  There are many kinds of heart disease, and they can affect theheart in several ways. But the ultimate problem with all varietiesof heart disease is that, in one way or another, they can disrupt thevital pumping action of the heart.
  8. 8.  Arthritis affects the musculoskeletal system, specifically the joints.It is the main cause of disability among people over fifty-five yearsof age in industrialized countries.

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