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The researchers analysed
from 64 volunteers aged between 18 and 60. The
had to complete
on a smartphone app five times a day for 21 days. The
helped people to give researchers real-time information on their
when they were hungry. Dr Swami explained this provided a "meaningful"
between hunger and emotions. He said: "The
of the...study suggest that the
of being hangry is real." He added: "We show, for the first time in a non-laboratory setting, that feeling hungry is associated with greater anger, irritability and lower levels of
." He suggested that if people knew they were
, they could control their anger better.
