As Tim Minchin said, do you know what the alternative medicine that works is called? Medicine. However, there are people who continue to rely more, in general, on alternative medicines than on medicine, perhaps because they need to believe in something else. Maybe because they haven't read the statistics.
Like the ones a recent study shows about people trying to cure cancer with alternative medicines: double the probability of dying.
Cancer and alternative medicine
A team of researchers from the medical school at Yale University has limited itself to analyzing the cases of cancer registered in the national cancer database and screening them based on those who opt for conventional medicine (radiotherapy, chemotherapy and surgery ) and alternative medicine.
The latter, those who opt for therapies not scientifically proven, are more than twice as likely to die in the first five years after diagnosis. Depending on the type of cancer, the death rate is higher: for example, for breast cancer, up to 5.68 times more mortality.
The results are significant, but even if people treated with natural therapies survived longer than those treated with conventional medicine, that would mean nothing more than the requirements of clinical trials to approve a new medicine must be raised.
Once done, the proven will always be more effective than the untested by this kind of essays that want much more than simple intuition, arguments of authority, beliefs, traditions or "it worked for me" (or It has worked for people I know.)
Contemporary and scientific medicine It has a level of rigor that traditional medicine has lacked: experiments of considerable sample size, control groups, multicenter studies, randomization, double (and triple) blind, statistical, etc.
Or put another way: the content of contemporary science does not matter so much to evaluate its effectiveness as its epistemology or its methodology. However, there will continue to be people who prefer the exotic and alternative to the conventional and tried because they believe they know more than the scientific community. You can read more about it in: Why alternative medicine, traditional Chinese and others is qualitatively lower than conventional or allopathic medicine? (I), (II) and (and III).