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.
Comparing Military Hospitals. There are currently 54 military hospitals in the United States and overseas that provide inpatient services. Many compare poorly to leading civilian hospitals on measures of safety in maternity care. Of those independently evaluated for surgical care, half posted high rates of complications. Most of the hospitals serve an average of 30 or fewer inpatients a day. Some have been marked by the Pentagon for downsizing.