Multiple sclerosis usually develops in young adulthood. The exact causes have not yet been finally clarified. Experts agree, however, that numerous other causes play a role in addition to hereditary factors – especially when several criteria come together.
Certain triggers can also have a negative impact on the course of the disease and lead to recurring flare-ups (also called exacerbations). These 13 risk factors favor the development of multiple sclerosis and acute MS flare-ups.