I think
life expectancy of over 100 years is going to be a positive development, mainly
if the humankind will lean how to spend all this huge time in the best way.
Certainly,
the replacement of damaged organs using cells from human embryos and the
prediction and treatment of hereditary diseases are great achievements of
science and medicine, as well as the eradication of infectious diseases such as
malaria, although in many African countries, like those adjacent to the
Victoria lake, malaria is still now a great problem and difficult to eradicate
completely. Likewise, a vaccination against AIDS would be very useful and advantageous
for everybody, since about 40 million people in the world had AIDS in 2004.
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