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It’s spring: time to prevent Lyme disease

Heart valve disease occurs if one or more of your heart valves don't work well. The heart has four valves—the tricuspid, pulmonary, mitral, and aortic valves—that make sure blood flows in the right direction through your heart’s four chambers and to the rest of your body.

Genetic testing may be performed to look for carriers, as well as to screen relatives of people who have cystic fibrosis.

Your doctor may recommend a stent to provide support inside an artery that has become narrowed by plaque buildup from atherosclerosis, or for lung airways that have narrowed due to other medical conditions. Your doctor will discuss the risks and benefits of the procedure with you. Sometimes, a stenting procedure is not recommended or another procedure is recommended instead. Learn more about the use of stents in the following conditions.

About 1 out of 10 people has had a seizure.

Every year, cancer claims the lives of nearly 300,000 men in the United States. Men can lower their risk for some of the most common kinds of cancer.

There are many types of conduction disorders that can occur anywhere along the cardiac conduction system: at the sinoatrial (SA) node, the atrioventricular (AV) node, or the bundle branches. The problem can be with signal generation, how the signal travels through the heart, or both. Disorders can occur on a much smaller level within ion channels in a heart muscle cell that work together to make the heart cell contract.

Cystic fibrosis is an inherited disease caused by mutations in a gene called the cystic fibrosis transmembrane conductance regulator (CFTR) gene.

Winter storms and cold temperatures can be hazardous. Stay safe and healthy by planning ahead. Prepare your home and cars. Prepare for power outages and outdoor activity. Check on older adults.

Beth F. Hibbs, MPH1, Elaine R. Miller, MPH1, Tom Shimabukuro, MD1 (Author affiliations at end of text).