Naturopathy has become much more popular over the years. A potential reason for this is that more and more, people are looking for ways to become healthier. Naturopathic medicine, along with many other holistic procedures, techniques, and treatments such as acupuncture, yoga, pilates, and herbology help people feel better from day to day. Yoga, for example, increases flexibility and strengthens the back, which can help to ward away muscle strains or sprains. Many of these treatments are thought of as preventative medicine, helping prepare the mind and body to take on any potential ailment. Many people, both those related and unrelated to a current medical field, are getting degrees in herbology. Herbology focuses on how natural herbs can alleviate certain ailments in the human body. Because the field is rapidly expanding, many people are looking to leave their current jobs and practice herbology instead. This situation has created a need for flexible class schedules for working adults. These needs have been met, to a large extent, by the advent of online degree programs. There are many online degree programs available to those who want to work in herbology that allow flexible class and coursework schedules for the working professional. Course instructors are often professionals in their field as well, and understand the rigors of both learning and working simultaneously. Instructors will generally assign homework that can be done largely by the student on his or her own time, which lessens the need for coordinated class meetings.