Who Gets Raynaud’s Phenomenon?
Although people of any age can have Raynaud’s phenomenon, the primary form typically begins between the ages of 15 and 25. Women are more likely than men to have Raynaud’s phenomenon. It appears to be more common in people who live in colder climates. This is likely true because people with the disorder have more Raynaud’s attacks during periods of colder weather. Although estimates vary, most studies show that Raynaud’s phenomenon affects about 3 percent of the general population. For most, the symptoms are mild and not associated with any blood vessel or tissue damage. Most people with Raynaud’s phenomenon have the primary form, which is not associated with any underlying disease. In fact, in these individuals it is thought to be an exaggeration of normal responses to cold temperature and/or stress. When Raynaud’s phenomenon is caused by or associated with an underlying disease, it is referred to as secondary Raynaud’s phenomenon. Secondary Raynaud’s phenomenon tends to begin later i