Cancer still affects millions of people worldwide, but Dr. John Langdon says there have been major advances in treatment.

As the disease continues without a cure, genetic testing has become an exciting development in treatment options.

But Langdon, an expert in cancer risk assessment and a Growing Bolder guru, says that lifestyle changes may prevent some types of cancer.

He explains to Growing Bolder how people can help thwart the disease by simply changing some of their habits.

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