HEALTH NEWS
· Largest study of its kind shows leafy greens may decrease bowel cancer risk
· Twin research indicates that a vegan diet improves cardiovascular health
· Violence in childhood leads to accelerated aging, study finds
· Moderate regular exercise found to alleviate some symptoms of postpartum depression
· Scientists uncover how fermented-food bacteria can guard against depression, anxiety
· Very high levels of 'good cholesterol' may be associated with dementia risk, study shows
