<unk>  most commonly affects healthy young adults. Male predominance (up to 97.6%) has been reported in a majority of the series, however one study reported that men and women are affected equally. The predominant age of onset of symptoms is between 20 and 40 years. The disease is now seen most commonly in the Indian subcontinent and its global incidence appears to be declining, probably largely due to improved public health and nutrition.
Eales disease
Bright's disease
Haff disease
Caroli disease
Meleda disease
Borna disease
Machado–Joseph disease
Elephantiasis