老年人要慢回头老年人多有不同程度的动脉硬化，如大幅度转头，会压迫颈动脉，使本来已经窄细的动脉管更细，导致血流变慢，造成大脑暂时性供血、供氧不足而晕倒，还可能导致脑血栓偏瘫等。故无论身后发生什么事，老年人应注意慢回头。（阳兴伟）老年人要慢回头@阳兴伟... Elderly to slow down the elderly more often have different degrees of atherosclerosis, such as a substantial turn around, will oppress the carotid artery, narrowing the already narrowed arteries, leading to slow blood flow, resulting in temporary cerebral blood supply for Oxygen deficiency and fainting, but also may lead to cerebral thrombosis and other hemiplegia. So no matter what happens behind the elderly should pay attention to slowly back. (Yang Xingwei) Older people to slow back @ Yang Xingwei ...