La neta does not have a bad connotation at all. Yes, Benz, it is slang. la neta = the truth (or more accurately the nature of things it also has the connotation of, that is the way life is) It is very commonly used among Mexicans.
If you experience these warning signs repeatedly or in combination, they may indicate a hearing loss. People seem to mumble more frequently. You experience ringing in your ears. You often ask people to repeat themselves. Your family complains that you play the radio or TV too loudly. You no longer hear normal household sounds, such as the dripping of a faucet or the ringing of a doorbell.
Common symptoms are these: Fluctuating hearing loss with distortion of sounds (especially lower tones) and difficulty with speech discrimination. Ringing in the affected ear (tinnitus) A sense of the room spinning (vertigo) A cold sweat, nausea, and vomiting, or generalized weakness during the attack. The episodes are unpredictable and usually last from 1 hour to a few hours, depending on the severity of the disease.