Do happy hormones exist? Is there a chemical recipe for improving your mood and is oxytocin really the biological basis of love?

Does when you eat affect your body weight? Do meal-timing based diets like intermittent fasting really work? How are your hormones involved and does this new diet fad stand up to scientific scrutiny?

Are there really chemicals inside us that could lead to some age-defying interventions in the future? Could our hormones hold the map to the fountain of youth?

The menopause marks one of the biggest natural shifts in hormones for women and can bring with it a number of unpleasant symptoms. But is there a testosterone-based equivalent in men?

Is humanity approaching a catastrophic decline in fertility. Are hormone-hijacking chemicals to blame for falling sperm counts? Should we be concerned and what can we do about it?

Ever wished that you could change your height? We investigate how hormones affect our height destinies, and what they have to do with the legend of the Irish giants.