Some causes of tinnitus are less common, including: 1  Meniere's disease. 2  TMJ disorders. 3  Head injuries or neck injuries.  Acoustic neuroma.
Jumping spiders do sometimes bite, but their venom is not considered to be dangerous (unless youâre allergic to spider bites). They are sometimes mistaken for black widow spiders, but they are far less dangerous. Jumping spiders donât hunt using webs, but they do build a web-like nest called a retreat.
1 By weight, a strand of spider's silk is heavier and stronger than an equivalent strand of steel! 2  A spider's silk is strong enough to stop a Boeing 747 in its path. 3  Two spider species, the Black Widow and the Brown Recluse, contain venom powerful enough to kill a human!  The fear of spiders is called arachnophobia.