实践证明,老年人如果能在生活中始终做到“四勤一懒”,就—定会有助于益寿延年。勤动脑经常用脑是一种活动,从某种意义上来说,等于是老年人精神上的慢跑。老年人通过不断地用脑,可加强自信心,会感到生活充实,并对未来产生新的期望。日本科学家用超声波测量不同生活方式的老年人 Practice has proved that if the elderly can always be in life, “four ground and one lazy” - it will certainly help longevity. Drowsiness Brain often use the brain is a kind of activity, in a sense, is equal to the spirit of the elderly jogging. By constantly using their brains, the elderly can enhance their self-confidence, feel fulfilled and have new expectations for the future. Japanese scientists use ultrasound to measure different lifestyles of the elderly