Research shows that reward-based learning requires the two neuromodulators to balance one another's influence -- like the accelerator and brakes on a car If you've heard of two of the brain's chemical ...

Just about every article on the biology of happiness talks about the neurotransmitter serotonin and why it’s so important to our mood. While the serotonin system is certainly a key player in our mood, ...

Serotonin has become much more than a hormone: it's a wellness buzzword that allegedly carries the weight of our wellbeing. You may have heard it dubbed the 'happy hormone', or seen it discussed in ...