A desire for self-optimisation, natural curiosity, and being tech-savvy makes millennials, Gen Z people obsessed with 'biohacking' - a wellness trend that seeks to enhance people's lives by optimising bodies, behavioural experts said on Tuesday.

Biohacking is do it yourself (DIY) on your own biology, where people take charge of their own health, and make positive changes to their diet, fitness, lifestyle. Over the past 90 days, Google searches for 'bio hacking' have skyrocketed by 900 per cent.