http://medicalxpress.com/news/2015-06-chocolate-daily-linked-lowered-heart.html#nRlv
They
base their findings on almost 21,000 adults taking part in the EPIC-Norfolk study, which is tracking the impact of diet on the long term health of 25,000 men and women in Norfolk, England, using food frequency and lifestyle questionnaires.
The researchers also carried out a systematic review of the available international published evidence on the links between chocolate and cardiovascular disease,
involving almost 158,000 peopleincluding the EPIC study participants.
The EPIC-Norfolk participants (9214 men and 11 737 women) were monitored for an average of almost 12 years, during which time 3013 (14%) people experienced either an episode of fatal or non-fatal coronary heart disease or stroke.
...
Higher levels of consumption were associated with younger age and lower weight (BMI), waist: hip ratio, systolic blood pressure, inflammatory proteins, diabetes and more regular physical activity all of which add up to a favourable cardiovascular disease risk profile.
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