Laughter is believed to have its origins in rough and tumble play, evolving from the panting behaviour of our primate ancestors.
We laugh up to 30 times more when we are in the company of others than when we are by ourselves.
Frequent and whole-hearted laughter actually helps your body to fight off harmful diseases.
Only 10-15 per cent of laughter is the result of someone making a joke. It’s mostly about social responses.
Laughter increases the body’s ability to produce and release a bacteria- and virus-fighter known as salivary immunoglobin A (S-IgA).
Women tend to laugh slightly more than their male counterparts.
Laughter tends to occur in short bursts of vowel-like sounds such as “ha-ha,” “ho-ho,” or “he-he,” which are repeated every fifth of a second.
Most people can’t laugh on command. Laughter is not something we produce consciously.
There really is a science to laughing. In fact, the science of laughing and its effects on the body is referred to as Gelotology.
Humans are not the only beings that laugh. Although less obvious to detect, many animals also experience something similar to laughter.
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