No conclusive evidence exists to support whether everyone is truly ticklish or not. Each person has a "ticklish" response to stimuli dependent upon the sensitivity of his nervous system and other factors, but tickling the skin does not always result in laughter.Know More
Tickling is subjective, with stimuli producing a variety of responses. Unanticipated tickling often results in laughter, while being prepared for tickling can prevent the laugh response.
Gargalesis is tickling that can produce laughter, while knismesis is tickling produced by light touch that often results in an itchy feeling.
Various studies on tickling have been carried out, with a wide array of results that explain why tickling happens, how different people respond and why self-tickling does not work.Learn more about Human Anatomy
Tickling is still poorly understood by science, but it doesn't appear that dogs are ticklish like humans. However, dogs do have a well-known reflex, called the scratch reflex, which triggers them to twitch a leg when touched in certain areas. This is popularly referred to as being ticklish.Full Answer >
For some people, the physical reflex or reaction to being tickled may not be a pleasurable feeling, so they do not respond with laughter. According to MSN Healthy Living, studies also suggest that being ticklish may be a result of social conditioning.Full Answer >
Cats do experience a form of tickling called knismesis, which is the type that feels itchy or mildly irritating. However, cats do not experience the kind of laughter-inducing tickling that people do, which is known as gargalesis.Full Answer >
People with anemia or cardiac or pulmonary diseases are most susceptible to the effects of carbon monoxide, according to the Vermont Department of Health. Unborn babies, infants, children and the elderly are also vulnerable to its effects.Full Answer >