[drupal-support] Not able to show full node body on main pages (e.g. blog/)

I just upgraded to 4.6.2. Previously, in 4.6.1 and 4.5.2 I used to be able to show full blog entries on my /blog/ page using check_output ($node->body). Now if I just use $node->body, my blog entries show "n/ a" values. It works ok to show teasers, but I don't like showing teasers on my blog. Any idea why this is happening and how to circumvent using teasers? Thanks, Michael