Does turmeric’s reputation translate into real health benefits?

The wellness industry is already cashing in on it, but there is a catch. Clinical trials do show that curcumin, present in the turmeric spice, may help fight osteoarthritis and other diseases — and yet, things are not as straightforward as that sounds: bioavailability. or how to get it into the blood, still remains a vital issue. David Cox takes a closer look.