Could 3D printed pancreases be the cure for type 1 diabetes? Will AI take over in the IVF clinic? How and why have researchers created a remote controlled adrenal gland?

Should I be concerned about growth hormones in a cow's milk cappuccino? Are the plant oestrogens in a soya latte affecting my risk of cancer? Will almond milk damage my thyroid? 

Is type 2 diabetes really a “lifestyle disease”? Why do some people develop diabetes even though they’re eating healthily while many obese people escape the disease? How can your environment shape your diabetes risk before you’re even born?

S3:2 Do animals recognise when we are feeling the pressure? How can dogs help us when our stress hormones fail? And how has studying stress in horses helped us understand human hormones?

We all know what it's like to feel stressed, perhaps this year more than most, but what are our stress hormones really doing to our minds and bodies?

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

There are chemicals all around us, but can they interfere with our hormones? Endocrine disruptors have been linked with a number of health problems, so for the final episode in the series we look at where these chemicals are found and whether we should be worried.

Doping scandals are a regular feature in sporting events, but how do the hormones involved boost performance and why are they banned? Plus, a short history of doping.

Vitamin D, the hormone in disguise, is currently in the spotlight as the world's favourite supplement, but is it really all it's cracked up to be?

How do our hormones impact our eating habits and will scientists ever make a diet pill? Plus, the tale of the Labradors and the impossible sausage.

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.

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?

We explore the hormones behind our sleep-wake cycle, how they can get out of sync and why some athletes are totally immune to jet lag.

Do you ever feel tired and sluggish, and find yourself putting on a few pounds? Or perhaps you’re anxious, irritable, and no matter how much you eat, you're just not gaining weight? Does Dr Google think your thyroid is to blame for all your woes?

What’s the difference between sexual desire and arousal? How does the contraceptive pill affect your sex drive? Which hormone has recently been found to boost sexual arousal in both men and women?