Mouse: 90 to 170 breathes/min, Life = 1.5–3 years
Monkey: Breathing rate = 30–50 /min, Life = 20–30 years
Human: 15–18 breathes/min, Life = 60–80 years
Turtle: 4 breathes/min, Life = 300 years
There seems to be a correlation here.
Breathe slowly, it might improve longevity.