Why the world is set for more financial shocks - because so many financial products are complex, not just where mortgages are repackaged and sold on. Future of Banking. Hedge funds and other investment groups have many other bets in the market which could destabilise national economies. The Credit Crunch is related mainly to bad loans which became hard to value when sold on to other financial institutions, made worse by falling house prices. Wider risk from major currency fluctuations, plus speculation in oil futures and other things.

Archive from 1999 but very relevant today.

Recent news and information on treatment for erectile dysfunction

Impotence pill - side effects: what is the risk of blindness or death

23 million men have used Viagra since 1988, including 900,000 in the UK. Although few serious side effects have been seen, recent reports (2005) suggest a possible risk of blindness from non-arteritic ischaemic optic neuropathy. This is a rare condition in which blood supply is reduced to the optic nerve causing permanent nerve damage, and research workers at the University of Minnesota believe they have detected a cluster of cases of blindness from this cause in men who have taken Viagra.

The US Food and Drug Administration has also identified 50 men with blindness who have taken Viagra, but who also had diabetes and heart disease. However these problems with blindness need to be seen in the context of 23 million users, most of which have experienced significant benefit to their sex lives, and the fact that blindness is a known risk in those with both diabetes and cardiovascular disease.