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Health Topics | Effective Health Care (EHC) Program
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class="addtoany-header">SHARE:</h2> <div class="block block-addtoany block-addtoany-block"> <div class="content"> <span class="a2a_kit a2a_kit_size_16 addtoany_list" data-a2a-url="https://effectivehealthcare.ahrq.gov/health-topics" data-a2a-title="Health Topics"><a class="a2a_button_facebook"><img src="/themes/custom/ahrq_bootstrap_barrio/pattern-lab/source/images/theme_core/share_icons/facebook-tiny.png" border="0" alt="Facebook"></a><a class="a2a_button_twitter"><img src="/themes/custom/ahrq_bootstrap_barrio/pattern-lab/source/images/theme_core/share_icons/twitter-tiny.png" border="0" alt="Twitter"></a><a class="a2a_button_email"><img src="/themes/custom/ahrq_bootstrap_barrio/pattern-lab/source/images/theme_core/share_icons/envelope-tiny.png" border="0" alt="Facebook"></a><a class="a2a_button_print"><img src="/themes/custom/ahrq_bootstrap_barrio/pattern-lab/source/images/theme_core/share_icons/print-tiny.png" border="0" alt="Print"></a><a class="a2a_dd addtoany_share" href="https://www.addtoany.com/share#url=https%3A%2F%2Feffectivehealthcare.ahrq.gov%2Fhealth-topics&title=Health%20Topics"><img src="/themes/custom/ahrq_bootstrap_barrio/pattern-lab/source/images/theme_core/share_icons/plus-tiny.png" alt="Share"></a></span> </div> </div> </div> <div> <div id="page-top"></div> <section class="row region region-page-top"> <div data-drupal-messages-fallback class="hidden"></div> </section> </div> <div class="row side"> <div class="col-sm-12 col-md-12 side-margins"> <div id="main-content"></div> <div class="views-element-container"><div class="view view-most-popular-health-topics view-id-most_popular_health_topics view-display-id-page_1 js-view-dom-id-a5214b51616541635afd28772d49b1e5f9d7f41c06598628de81a13c30cdc6c4"> <div class="view-header"> <h1>Health Topics</h1> <p>Find EHC products by health topic using the A to Z menu above. Information on EHC鈥檚 most popular topics are included below.</p><p></p><h3>Results</h3> <p>1 to 10 of 10 Popular Topics displayed.</p> </div> <div class="view-content row"> <div class="col-12 views-row"> <div class="views-field views-field-nothing"><span class="field-content"><div class="row"> <div class="col-3"><a href="/view%20"><a href="/health-topics/bacterial-infections"><img loading="lazy" src="/sites/default/files/thumbnails/popular_topics/bacterial-infections.jpg" width="200" height="130" alt="Bacterial Infections" title="Bacterial Infections" typeof="Image" /> </a></a></div> <div class="col-9"><h3><a href="/health-topics/bacterial-infections" hreflang="en">Bacterial Infections</a></h3><p>Bacteria are living things that have only one cell. Under a microscope, they look like balls, rods, or spirals. They are so small that a line of 1,000 could fit across a pencil eraser. Most bacteria won't hurt you - less than 1 percent of the different types make people sick.</p></div> </div></span></div> </div> <div class="col-12 views-row"> <div class="views-field views-field-nothing"><span class="field-content"><div class="row"> <div class="col-3"><a href="/view%20"><a href="/health-topics/bladder-diseases"><img loading="lazy" src="/sites/default/files/thumbnails/popular_topics/bladder-diseases.jpg" width="200" height="130" alt="Bladder Diseases" title="Bladder Diseases" typeof="Image" /> </a></a></div> <div class="col-9"><h3><a href="/health-topics/bladder-diseases" hreflang="en">Bladder Diseases</a></h3><p>Doctors diagnose bladder diseases using different tests. These include urine tests, x-rays, and an examination of the bladder wall with a scope called a cystoscope. Treatment depends on the cause of the problem. It may include medicines and, in severe cases, surgery.</p></div> </div></span></div> </div> <div class="col-12 views-row"> <div class="views-field views-field-nothing"><span class="field-content"><div class="row"> <div class="col-3"><a href="/view%20"><a href="/health-topics/bone-marrow-diseases"><img loading="lazy" src="/sites/default/files/thumbnails/popular_topics/bone-marrow-diseases.jpg" width="200" height="130" alt="Bone Marrow Diseases" title="Bone Marrow Diseases" typeof="Image" /> </a></a></div> <div class="col-9"><h3><a href="/health-topics/bone-marrow-diseases" hreflang="en">Bone Marrow Diseases</a></h3><p>Bone marrow is the spongy tissue inside some of your bones, such as your hip and thigh bones. It contains stem cells. The stem cells can develop into the red blood cells that carry oxygen through your body, the white blood cells that fight infections, and the platelets that help with blood clotting.</p></div> </div></span></div> </div> <div class="col-12 views-row"> <div class="views-field views-field-nothing"><span class="field-content"><div class="row"> <div class="col-3"><a href="/view%20"><a href="/health-topics/colonic-diseases"><img loading="lazy" src="/sites/default/files/thumbnails/popular_topics/colonic-diseases.jpg" width="200" height="130" alt="Colonic Diseases" title="Colonic Diseases" typeof="Image" /> </a></a></div> <div class="col-9"><h3><a href="/health-topics/colonic-diseases" hreflang="en">Colonic Diseases</a></h3><p>Your colon, also known as the large intestine, is part of your digestive system. It's a long, hollow tube at the end of your digestive tract where your body makes and stores stool. Many disorders affect the colon's ability to work properly.</p></div> </div></span></div> </div> <div class="col-12 views-row"> <div class="views-field views-field-nothing"><span class="field-content"><div class="row"> <div class="col-3"><a href="/view%20"><a href="/health-topics/degenerative-nerve-diseases"><img loading="lazy" src="/sites/default/files/thumbnails/popular_topics/degenerative-nerve.jpg" width="200" height="130" alt="Degenerative Nerve Diseases" title="Degenerative Nerve Diseases" typeof="Image" /> </a></a></div> <div class="col-9"><h3><a href="/health-topics/degenerative-nerve-diseases" hreflang="en">Degenerative Nerve Diseases</a></h3><p>Degenerative nerve diseases affect many of your body's activities, such as balance, movement, talking, breathing, and heart function.</p></div> </div></span></div> </div> <div class="col-12 views-row"> <div class="views-field views-field-nothing"><span class="field-content"><div class="row"> <div class="col-3"><a href="/view%20"><a href="/health-topics/fluid-and-electrolyte-balance"><img loading="lazy" src="/sites/default/files/thumbnails/popular_topics/fluid-electrolyte.jpg" width="200" height="130" alt="Fluid and Electrolyte Balance" title="Fluid and Electrolyte Balance" typeof="Image" /> </a></a></div> <div class="col-9"><h3><a href="/health-topics/fluid-and-electrolyte-balance" hreflang="en">Fluid and Electrolyte Balance</a></h3><p>Electrolytes are minerals in your body that have an electric charge. They are in your blood, urine and body fluids. Maintaining the right balance of electrolytes helps your body's blood chemistry, muscle action and other processes. Sodium, calcium, potassium, chlorine, phosphate and magnesium are all electrolytes. You get them from the foods you eat and the fluids you drink.</p></div> </div></span></div> </div> <div class="col-12 views-row"> <div class="views-field views-field-nothing"><span class="field-content"><div class="row"> <div class="col-3"><a href="/view%20"><a href="/health-topics/lipid-metabolism-disorders"><img loading="lazy" src="/sites/default/files/thumbnails/popular_topics/lipid-metabolism.jpg" width="200" height="130" alt="Lipid Metabolism Disorders" title="Lipid Metabolism Disorders" typeof="Image" /> </a></a></div> <div class="col-9"><h3><a href="/health-topics/lipid-metabolism-disorders" hreflang="en">Lipid Metabolism Disorders</a></h3><p>Lipid metabolism disorders, such as Gaucher disease and Tay-Sachs disease, involve lipids. Lipids are fats or fat-like substances. They include oils, fatty acids, waxes, and cholesterol. If you have one of these disorders, you may not have enough enzymes to break down lipids.</p></div> </div></span></div> </div> <div class="col-12 views-row"> <div class="views-field views-field-nothing"><span class="field-content"><div class="row"> <div class="col-3"><a href="/view%20"><a href="/health-topics/ovarian-disorders"><img loading="lazy" src="/sites/default/files/thumbnails/popular_topics/ovarian-disorders.jpg" width="200" height="130" alt="Ovarian Disorders" title="Ovarian Disorders" typeof="Image" /> </a></a></div> <div class="col-9"><h3><a href="/health-topics/ovarian-disorders" hreflang="en">Ovarian Disorders</a></h3><p>The ovaries are part of the female reproductive system. Women have two ovaries, one on each side of the uterus. Each ovary is about the size and shape of an almond.</p></div> </div></span></div> </div> <div class="col-12 views-row"> <div class="views-field views-field-nothing"><span class="field-content"><div class="row"> <div class="col-3"><a href="/view%20"><a href="/health-topics/throat-disorders"><img loading="lazy" src="/sites/default/files/thumbnails/popular_topics/throat-disorders.jpg" width="200" height="130" alt="Throat Disorders" title="Throat Disorders" typeof="Image" /> </a></a></div> <div class="col-9"><h3><a href="/health-topics/throat-disorders" hreflang="en">Throat Disorders</a></h3><p>Throat problems are common. You've probably had a sore throat. The cause is usually a viral infection, but other causes include allergies, infection with strep bacteria or the leaking of stomach acids back up into the esophagus, called GERD.</p></div> </div></span></div> </div> <div class="col-12 views-row"> <div class="views-field views-field-nothing"><span class="field-content"><div class="row"> <div class="col-3"><a href="/view%20"><a href="/health-topics/wounds-and-injuries"><img loading="lazy" src="/sites/default/files/thumbnails/popular_topics/wounds-injuries.jpg" width="200" height="130" alt="Wounds and Injuries" title="Wounds and Injuries" typeof="Image" /> </a></a></div> <div class="col-9"><h3><a href="/health-topics/wounds-and-injuries" hreflang="en">Wounds and Injuries</a></h3><p>An injury is damage to your body. 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