In the last paragraph, the author expresses which of the following beliefs about homeopathy?
F. Homeopathy is medically unproven and thus practiced only by quacks.
G. Homeopathy is a necessary form of treatment that should be widely used to help the sick.
H. Homeopathy is a controversial form of medical treatment that is frequently used, despite a lack of supporting evidence.
J. Doctors in Europe are in agreement about the effectiveness of homeopathy.