Scientist have found out that there's a rise in oxytocin levels when we share a hug. Oxytocin causes a reduction in blood pressure and of the stress hormone norepinephrine.
So, how many hugs should you have a day for optimal health? According to the best science, we should have as many as possible if we want to reap the greatest positive effects.
Source: Erica Cirino, healthline.com