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Lifestyle diseases have their onset later in an individual's life; they appear to increase in frequency as countries become more industrialized and people live longer. [17] This suggests that the life expectancy at birth of 49.24 years in 1900 [ 18 ] was too short for degenerative diseases to occur, compared to a life expectancy at birth of 77. ...
Obesity has been found to contribute to approximately 55% of cases of type 2 diabetes; [10] chronic obesity leads to increased insulin resistance that can develop into type 2 diabetes, [11] most likely because adipose tissue (especially that in the abdomen around internal organs) is a source of several chemical signals, hormones and cytokines, to other tissues.
Disease prevention relies on anticipatory actions that can be categorized as primal, [2] [3] primary, secondary, and tertiary prevention. [1] Each year, millions of people die of preventable causes. A 2004 study showed that about half of all deaths in the United States in 2000 were due to preventable behaviors and exposures. [4]
"Disease X" refers to a currently unknown pathogen that could cause human disease and trigger a serious international epidemic. (Illustration by Vartika Sharma for Yahoo News)
Chronic conditions have often been used to describe the various health related states of the human body such as syndromes, physical impairments, disabilities as well as diseases. Epidemiologists have found interest in chronic conditions due to the fact they contribute to disease, disability, and diminished physical and/or mental capacity. [9]
Sedentary lifestyle is a lifestyle type, in which one is physically inactive and does little or no physical movement and/or exercise. [1] A person living a sedentary lifestyle is often sitting or lying down while engaged in an activity like socializing , watching TV , playing video games , reading or using a mobile phone or computer for much of ...
Obesity increases a person's risk of developing various metabolic diseases, cardiovascular disease, osteoarthritis, Alzheimer disease, depression, and certain types of cancer. [36] Depending on the degree of obesity and the presence of comorbid disorders, obesity is associated with an estimated 2–20 year shorter life expectancy.
Coronary artery disease, or coronary heart disease, is the most common type of heart disease. It occurs when fatty deposits called plaques build up in your arteries, making them thicker-walled ...