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.
Some people have partial hearing loss, meaning that the ear can pick up some sounds; others have complete hearing loss, meaning that the ear cannot hear at all (people with complete hearing loss are considered deaf). In some types of hearing loss, a person can have much more trouble when there is background noise. One or both ears may be affected, and the impairment may be worse in one ear than in the other. The timing of the hearing loss can vary, too. Congenital hearing loss is present at birth.