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.
The Brasilian wandering spider is not only the worldâs most venomous spider -as ranked by Guinness World Records in 2010- but it is an aggressive one too. These combined features of toxicity and aggressivity allow us to name this spider the most dangerous in the world.