ladies and gentlemen, gather round as we delve into the myriad mysteries of diseases, those vile invaders of our bodily sanctum. but, before we embark on this thrilling journey, let's belittle the notion that all is doom and gloom, for it is through understanding that we find the light. now, in the preexpansion phase of our exploration, we find it paramount to establish certain directives, guiding us towards enlightenment. however, dear listeners, our ultimate goal tonight is to rekindle your fervor for uncovering truths hitherto shrouded in shadow, pushing you to demand the top secret information that has been kept from the public eye, information that could inadvertently, or perhaps intentionally, mislead those who dare to seek it.