Nutrition

Following a ghrelin infusion, elderly women ate more and had higher levels of growth hormones in small study

Activation of reward centres in response to food may point to potential obesity treatments, says researcher

Higher plasma levels at start of diet predict greater ability to shed pounds, possibly due to effect on metabolism

Adhering to a healthy diet may also protect cognitive functioning

VANCOUVER | If there is one thing Dr. Sammy Chan tries to get across to new patients, it's that the Vancouver Metabolic Syndrome Clinic he helped establish is not a weight-loss program.