When you kiss someone passionately, the feelings of happiness and increase of heartbeats make your blood vessels to expand widely, thereby decreasing blood pressure. Credit: Sharangee Dutta

According to the Far Headingley Dental Care, kissing can prevent tooth decay because it stimulates saliva flow which brings down plaque levels.

A recent study found that people who read are two and a half times less likely to be diagnosed with Alzheimer’s Syndrome later on in life. Although this does not mean that reading will prevent the disease, it proves a slight relationship between reading and prevention.