Hospitals, health care systems, and health care providers are also affected by a mass trauma. The number of people who need immediate physical and psychological help may be too much for health systems to handle. Some patients may not ind help when they need it because hospitals do not have enough staff or supplies. In some cases, health care providers themselves may be struggling to recover as well. NIMH scientists are working on this problem. For example, research ers are testing how to give CBT and other treatments using the phone and the Internet. In one study, people with PTSD met.