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Researchers looked at
from 11,000 hospital
over a 30-year period. The patients had visited a
at least five times - three times when they were in their 50s, and
when they were aged between 70 and 90. The lead
said: "The results suggest that
hydration may slow down ageing and prolong a disease-free
." She said people should drink more
, like water and juice, and fruit and vegetables with lots of water in them. She added that
of people worldwide do not drink enough. The
adult needs at least 1.5 litres of water every day.
