Here’s Part 5, the last of a series from an excerpt from my and Donal O’Mathuna’s book, Alternative Medicine: The options, claims, evidence, how to choose wisely. You find the book here.

21. Does the product you’re considering require advance payment? Look out! You may never receive what you bought or get your money back.

Here’s Part 4 from an excerpt from my and Donal O’Mathuna’s book, Alternative Medicine: The options, claims, evidence, how to choose wisely. You find the book here.

16. Is a therapy encouraged simply because it’s been used for centuries by people in some remote place? This might simply mean that those people had nothing else to use. If the best texts on the subject are decades or centuries old, you’ll probably find that many of the old ideas were discredited long ago. Medicine evolves—just think about all we have discovered about nutrition in the last few decades. Continued use adds to our knowledge, uncovers side effects, fine-tunes dosage, and brings change.

Here’s Part 3 of an excerpt from my and Donal O’Mathuna’s book, Alternative Medicine: The options, claims, evidence, how to choose wisely. You’ll find out more about the book here.

Next week, I’ll post another five warning signs.

11. Does the proponent of the therapy claim to be criticized unfairly? Some proponents of CAM portray themselves as martyrs, persecuted by the government, the medical establishment, or some other organization with a stake in keeping you unaware of their breakthrough.

Here’s an excerpt from my and Donal O’Mathuna’s book, Alternative Medicine: The options, claims, evidence, how to choose wisely. You find the book here. Each week, for the next 4 weeks, I’ll post another five warning signs.

So, when you suspect quackery or fraud, how do you know if your suspicions are right? What are some of the warning signs?

When evaluating a medical claim, here’s what to look for.