Finland ki eik study ne sabit kiya ke oral bacteria heart disease ka risk barhate hain. Ye bacteria arteries ki walls mein “biofilm” bana kar immune system aur dawaon se bach jate hain. Jab biofilm toot’ti hai to inflammation aur clot banta hai, jo heart attack ya stroke trigger karta hai. Experts ne oral hygiene aur routine check-ups zaroori qarar diye.