What is the palms of longevity

If mercury line distance lifeline is only a little, is a straight line, no fracture, said the man's body is healthy, digestive, respiratory organs are in good shape, the palm is the palms of longevity, so to speak.But if there is the palms of people think is in excellent health, do not pay attention to maintenance, or will cause damage to health, so even the palm excellent people to pay attention to preserve one's health problems.