When hypothyroidism isn't treated, signs and symptoms can gradually become more severe. Constant stimulation of your thyroid gland to release more hormones may lead to an enlarged thyroid (goiter). In addition, you may become more forgetful, your thought processes may slow, or you may feel depressed.
exploit [originally cracker slang] 1. A vulnerability in software that can be used for breaking security or otherwise attacking an Internet host over the network. The Ping O' Death is a famous exploit. 2. More grammatically, a program that exploits an exploit in sense 1.
A scam is  a term used to describe any fraudulent business or scheme that takes money or other goods from an unsuspecting person. With the world becoming more connected thanks to the Internet, online scams have increased, and it's often up to you to help stay cautious with people on the Internet.