Even methane (natural gas) is lighter than air, but not by much. Carbon dioxide, which is contained in the air we breathe out and is also easily and safely manufactured by mixing bicarbonate of soda and vinegar, is heavier than air. It tends to sink to the floor and accumulate. So it's a good job that houses aren't air tight.
Cuddling, holding, and sexual play releases chemicals, like oxytocin, in the brain that create a sense of well-being and happiness, says Dr. Renee Horowitz, an ob-gyn who recently opened the Center for Sexual Wellness in Farmington Hills, Michigan.
Growth Hormone Releasing Hormone (GRH or GHRH): It is the hormone secreted by the hypothalamus which stimulates the release of Growth Hormone from the Anterior pituitary. Prolactin Releasing Hormone (PRH): It is secreted by Hypothalamus which stimulates the secretion of Prolactin from the anterior Pituitary gland.