It's never too late to start eating better, losing weight and exercising, studies find

The Xience stent helps prevent arteries from re-clogging

But ECG use controversial because of cost, number of false positives, study says

Wants long-term studies to assure medications don't raise cardiovascular risks

Pneumonia second only to childbirth as most common reason for hospitalizations, analysis finds

But the case isn't closed, American cardiologists say

But it doesn't help those with less severe heart damage known as unstable angina, analysis shows

They not only cut secondhand exposure but also helped current users cut back, study finds

As many as 6 million U.S. youngsters have the condition, researchers warn

Rats fed junk food had higher cholesterol, blood fats into adulthood, British study finds

Out-of-control enzymes do damage in both conditions, study finds

But experts aren't ready to embrace the findings as fact

Access to defibrillators and knowing how to use them could reduce deaths, experts say

No symptoms, but some loss of brain function occurs, study finds

It could foreshadow trouble by as much as 2 years, Taiwanese study suggests

Losartan slowed aortic enlargement, most life-threatening defect of condition

More schooling, more money linked to improved outcomes, study concludes

But sicker patients may be getting bare metal devices, study suggests

Insulin resistance increases and arteries malfunction years later, researchers say

From birth complications to heart disease, top-rated centers a better choice, health study concludes

The chest pain is most likely in younger males, study finds

But the test's cost may still be prohibitive, experts say

It might extend the effectiveness of clot-busting tPA, researchers say

Study found eating fruits, veggies, whole grains most protective against heart disease

Study is among the first to show such an effect from a nutrient, experts say

Expression of particular gene can help regenerate multiple tissue types

Italian study found poor reflexes, unstable posture, weakened hands warned of trouble