4. Kissing relieves stress
According to Dr. Sharon Stills, a naturopathic physician, kissing can decrease cortisol levels in your system. It has something to do with stress which is a negative impact to your immune system, endocrine system and your brain. Stress is a part of life, they say, but it doesn’t have to be! Make kissing a daily part of your life – you will lessen your stresses day by day.