Preventive healthcare

Preventive healthcare, or prophylaxis, is the application of <a href="/facts/Healthcare/LPS1WKbI">healthcare</a> measures to prevent <a href="/facts/Disease/55eeQlGL">diseases</a>. Disease and disability are affected by <a href="/facts/Environmental_factor/T6FvWue8">environmental factors</a>, <a href="/facts/Genetic_predisposition/rQkzYCYv">genetic predisposition</a>, disease agents, and <a href="/facts/Lifestyle_disease/5bawymRp">lifestyle choices</a>, and are dynamic processes that begin before individuals realize they are affected. Disease prevention relies on anticipatory actions that can be categorized as primal, primary, secondary, and tertiary prevention.
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. Leading causes included <a href="/facts/Cardiovascular_disease/HD420nMv">cardiovascular disease</a>, chronic <a href="/facts/Respiratory_disease/CDRTg5Ev">respiratory disease</a>, unintentional injuries, <a href="/facts/Diabetes/2xeHXbsI">diabetes</a>, and certain <a href="/facts/Infectious_diseases/182XrncP">infectious diseases</a>. This same study estimates that 400,000 people die each year in the United States due to poor diet and a <a href="/facts/Sedentary_lifestyle/17LNyhNV">sedentary lifestyle</a>. According to estimates made by the <a href="/facts/World_Health_Organization/YNN3bgug">World Health Organization</a> (WHO), about 55 million people died worldwide in 2011, and two-thirds of these died from non-communicable diseases, including <a href="/facts/Cancer/PVW6n1D0">cancer</a>, <a href="/facts/Diabetes/2xeHXbsI">diabetes</a>, and chronic <a href="/facts/Cardiovascular_disease/HD420nMv">cardiovascular</a> and <a href="/facts/Lung_diseases/CDRTg5Ev">lung diseases</a>. This is an increase from the year 2000, during which 60% of deaths were attributed to these diseases.)
Preventive healthcare is especially important given the worldwide rise in the prevalence of chronic diseases and deaths from these diseases. There are many methods for prevention of disease. One of them is prevention of teenage smoking through information giving. It is recommended that adults and children aim to visit their doctor for regular check-ups, even if they feel healthy, to perform disease <a href="/facts/Screening_(medicine)/YhrXum3t">screening</a>, identify risk factors for disease, discuss tips for a healthy and balanced lifestyle, stay up to date with immunizations and boosters, and maintain a good relationship with a healthcare provider. In pediatrics, some common examples of primary prevention are encouraging parents to turn down the temperature of their home water heater in order to avoid scalding burns, encouraging children to wear bicycle helmets, and suggesting that people use the <a href="/facts/Air_quality_index/VY02cUut">air quality index</a> (AQI) to check the level of pollution in the outside air before engaging in sporting activities.
Some common disease screenings include checking for <a href="/facts/Hypertension/wlAvBfcf">hypertension</a> (high blood pressure), <a href="/facts/Hyperglycemia/HM8eNqfX">hyperglycemia</a> (high blood sugar, a risk factor for <a href="/facts/Diabetes_mellitus/2xeHXbsI">diabetes mellitus</a>), <a href="/facts/Hypercholesterolemia/UlIDdQuT">hypercholesterolemia</a> (high blood cholesterol), screening for <a href="/facts/Colon_cancer/nV592sW7">colon cancer</a>, <a href="/facts/Major_depressive_disorder/l2lQeWqr">depression</a>, <a href="/facts/HIV/ulY2rgzu">HIV</a> and other common types of <a href="/facts/Sexually_transmitted_disease/IYL1rxdI">sexually transmitted disease</a> such as <a href="/facts/Chlamydia_infection/bcKTIM1L">chlamydia</a>, <a href="/facts/Syphilis/fdnGLyLT">syphilis</a>, and <a href="/facts/Gonorrhea/xulQCkLF">gonorrhea</a>, <a href="/facts/Mammography/mN9jkyf9">mammography</a> (to screen for <a href="/facts/Breast_cancer/6hME580v">breast cancer</a>), <a href="/facts/Colorectal_cancer/nV592sW7">colorectal cancer</a> screening, a <a href="/facts/Pap_test/lsRao90L">Pap test</a> (to check for <a href="/facts/Cervical_cancer/99vngUyd">cervical cancer</a>), and screening for <a href="/facts/Osteoporosis/xa1W00Tj">osteoporosis</a>. <a href="/facts/Genetic_testing/H21wH0ze">Genetic testing</a> can also be performed to screen for mutations that cause <a href="/facts/Genetic_disorder/hFqt2NLn">genetic disorders</a> or predisposition to certain diseases such as breast or <a href="/facts/Ovarian_cancer/fsWbh3Tn">ovarian cancer</a>. However, these measures are not affordable for every individual and the cost effectiveness of preventive healthcare is still a topic of debate.

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Preventive healthcare