Paul Wearing

Making sense of smell

Drug developed to mimic genetic variant that prevents the burning sensation of eating spicy foods

Watching counterparts brawl fires fighting neurons in mice

Biomarkers found that could help individualize weight-loss methods

The power and limits of zeroing in

A health-care revolution in the making

A sampler of diagnostics emerging from Stanford

New drug approvals ebb; doubts over testing's gold standard grow

The human subjects trade is booming, largely without oversight

Serving in clinical trials offers lessons for living