CardiovascularInfo Center
“Healthy” Vegetable Oils May Harm Heart
 Some “healthy” oils may not be as healthy as advertised. While corn and safflower oils may lower cholesterol, they may not protect against heart disease and, in fact, they may do more harm than good.
Unclear if Multivitamins Prevent Cancer and Heart Disease
 It’s estimated that about half of all adult Americans take some type of dietary supplement. As a nation, we spend nearly $12 billion each year on vitamin and mineral supplements. But do these supplements help prevent our most daunting diseases? 
Looking Beyond Targets for Blood Pressure Medications
 When prescribing high blood pressure medication, doctors often focus on getting their patients to reach a blood pressure target. A more individualized approach, looking at multiple factors, may be more effective. 
Brushing Teeth to Keep Heart Disease Away
 The expression "To have your heart in your mouth” may have a new meaning. Gum health has been shown to influence heart health, and good oral hygiene may even slow hardening of the arteries.
Sudden Death During Sports Still Rare
 While physical activity is generally good for the body, vigorous sports activity can be risky for untrained people. The risks for women may be pretty rare, at least where the heart's concerned. 
Diabetes-Free Hearts Not Helped by Metformin
 The most widely prescribed medication for diabetes, metformin, also has heart health benefits for diabetes patients. For those without diabetes, however, its effects on the heart may be limited.
Urine May Reveal Heart Risk in Young Diabetes Patients
 For adults with diabetes, a urine test can spot those at risk for heart and kidney disease. The same test may also work for young people with type 1 diabetes. 
Time of Anti-Clotting Therapy With Stents
 Mesh tubes called stents can help keep blood vessels open in people with blocked arteries. To prevent blood clots from forming in stents, patients take anti-clotting agents, but it has not been clear how long this therapy should last.
Men's Hormone Therapy May Be Risky for the Heart
 Properly balanced hormones deliver benefits such as strong bones and healthy sexual function. Restoring natural hormones lost due to illness or aging with hormone supplements is an option, but it may carry risks. 
Insulin Tied to Heart Problems After Heart Procedures
 Diabetes increases the risk for heart disease. Procedures to restore blood flow to the heart can help, but for those on insulin, these procedures may carry some risks.