For example, you and I both know that the odds
of getting a brain eating amoeba that is found in fresh warm
water by swimming in a pool is obsurd. Regardless, to you this fear is very real.
That's the funny thing about any and all mental illnesses. Even we sufferers, in our rational mind know that these fears are unfounded and obsessive, not to mention unrealistic. Despite this fact, to us they are very real and cause us a lot of stress and sometimes massive anxiety.