Relaxers work by using these powerful chemicals to penetrate the cortex and break the disulfide bonds, thus straightening the hair. Once these bonds have been broken, the process is irreversible and the hair will be straight until it grows out or is cut.air relaxers have come a long way since first being debuted in Garrett Morgan's sewing repair shop. When it comes to straightening hair, there are a ton of options on the market.
What are the different types of nurses? As we mentioned, there are three primary categories of nursing. Each level has its own requirements and responsibilities. For example, non-degree nurses like CNAs and LPNs usually perform health assistant duties and are often needed in home health care and assisted-living settings.
Quality Trends. 1  A typical 100-bed skilled nursing care center that mirrors national averages will serve more total individuals coming from the hospital for short-stay, post-acute care (189) than for long term care (86). 2  The dependence level of individuals being taken care of in skilled nursing centers is increasing.