Mariah Carey has lost 30 pounds since giving birth to twins last year and now she's urging others to follow in her healthy footsteps.

In a brand new PSA for the American Heart Association, Mariah encourages people to consider losing weight, not just to look great, but to live longer too!

Since someone has a heart attack every 34 seconds and less than 1% of Americans are heart-healthy, she advises finding healthy living solutions to avoid becoming a statistic.

Check out the quick video above and start doing something to make sure heart disease, the number one killer in the country, doesn't take your life away one day!

Tags: american heart association, country, heart attack, heart disease, mariah carey, psa, stroke