Cortisol, often referred to as the "stress hormone," is a steroid hormone produced by the adrenal glands. These triangular-shaped glands, situated atop each kidney, release cortisol in response to stress and low blood-glucose concentration. It plays a crucial role in the body's fight-or-flight response, mobilizing energy reserves to cope with stressors.Cortisol's impact extends beyond stress; it influences metabolism, immune function, and the sleep-wake cycle. In times of stress, cortisol prompt

During a kiss, the mix of saliva can determine if you’re a good genetic match and have complementary immune systems (MHC). As well, men transfer testosterone via saliva that can showcase health and spike sexual attraction. This is perhaps the reason why men tend to prefer more open mouth kisses. During a kiss, cortisol levels drop and dopamine increases | Kinobody