Hi Aldev
Had a look at the source code it seems to go down hill from about here
HOT TOPIC Cosmetic Surgery

Not sure if its pasted from Microsoft word or just a lot of unnecessary formatting ,lots of empty <p> tags ?
try putting it in to paragraphs and style it from a style sheet.

Check it out on the W3 validator
[Invalid] Markup Validation of http://www.thehealthclinic.ie/index.php - W3C Markup Validator