It's unclear how consistent volume differs, but presumably it won't change volume within the track and wreck your tunes.

That means the phrases you deliberately say out loud can become tiny daily workouts for your prefrontal cortex. The more reps ...

Your voice pitch may reveal more about your hormones than you think, offering insights into stress, fertility, and thyroid ...

If you suspect that you're phone is eavesdropping on your conversations there is a simple test to do to discover the truth.