Some of the many health reform techniques of the era included hydropathy. hypnotism. phrenology. all of the above.

Some of the health reform techniques of the era are hydropathy and hypnotism.

Hydropathy can be defined as a therapeutic treatment which helps in curing diseases by using water. The water can be either be used for bathing or drinking. Most physician and therapists believe that many of the diseases and injuries are improved by the relaxing effect of obtained after immersing a patient in the water. Hypnotism can be defined as the hypnotherapy. The patient remains in a semiconscious state so as to increase the concentration and focus. It is done with the help of the therapist who uses verbal communication and images so that patient can recall the incidences related to problem. Hypnotism is used to cope up with stress and also to gain control over the pain and anxiety. Phrenology is the methodology in which the external structure of the skull can be related with the mental disorders and traits which are indicative of abnormality in traits. It is merely based on assumptions of abnormalities related to person.

Hence, hydropathy and hypnotism can be used for health reform.

Learn more about hypnotism:

link

Some of the many health reform techniques of the era included :
 All of the above.

I'm not ment for this question