text: Our data suggest that mild regular physical exercise favourably influences cholesterol distribution in serum lipoproteins in healthy middle aged men and may have beneficial effects on circulating metabolites of arachidonic acid .
entities.text: mild regular physical exercise
entities.type: intervention
entities.text: serum lipoproteins
entities.type: outcome
entities.text: circulating metabolites of arachidonic acid
entities.type: outcome
entities.text: healthy middle aged men
entities.type: participant