Psychological effects. Exercise likely
has psychological benefits for persons
with type 2 diabetes, although evidence
for acute and chronic psychological benefits
is limited. In the Look AHEAD trial,
participants in the intensive lifestyle intervention
attempted to lose more than 7%
of their initial weight and increase moderately
intense PA to greater than 175
min/week. They had improvements in
health-related (SF-36 physical component
scores) quality of life (QOL) and depression
symptoms after 12 months that
were mediated by enhanced physical fitness