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Cardiologists offer advice to people with cardiovascular conditions who are traveling on cruise ships.

Statins are widely prescribed cardiovascular medications that lower LDL cholesterol and help fight inflammation. But they can cause side effects, so it is important to discuss their benefits and risks with a doctor.

Exercise that includes interval training, where periods of slight or moderate exertion are alternated with short bursts of more intense exertion, can strengthen the heart and blood vessels.

When someone has a stroke, immediate treatment is essential. The American Stroke Association says a clot-destroying drug called tPA may work for up to four and a half hours after the onset of a stroke, but should be given within an hour if possible.

Triglycerides contribute to atherosclerosis, usually (but not always) in combination with other factors. Triglycerides can be lowered by making lifestyle and diet changes, though some people also need a medication.

People who are at risk for heart disease may be fine for some time, until a stressful event or situation acts as a trigger for a heart attack or stroke. Even in those with heart disease, some of these triggers can be minimized or avoided.