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.
This medical symptom information shows the various types of Hearing impairment, and other related symptoms or conditions, including their causes and diagnosis. Deafness. Hearing loss. Reduced hearing. Conductive hearing loss. Presbycusis. Hearing disturbance. Sensorineural deafness.