The placebo effect influences all types of healing, from yoga to laying of hands to your doctor's office. We journeyed from Mexico to Maryland to learn how it works.

By Erik Vance

Some people are born believers. Fake surgeries have been shown to relieve traumatic knee pain; “dummy pills” have wiped away migraines. A new report from Harvard University describes how certain genes predispose people toward believing placebos, or experiencing…

By Nsikan Akpan