Tag Archives: Stress

Study bolsters findings that marathons increase heart stress. But what that means is unclear

A new “Research Letter” published Dec. 3 in the American Heart Association’s journal Circulation raises the old fear that running long distances – particularly the 42.2-kilometre marathon – could be bad for amateur runners. But according to several experts, including the paper’s author, would-be marathoners should not worry that they are on the road to… Read More »

Middle Aged Stress Associated With Smaller Brain Size And Poor Memory

Research has found that middle-aged individuals in their forties and fifties with elevated cortisol levels, a hormone associated with stress, perform worse on cognitive and memory tasks compared to individuals of the same age who have average levels of cortisol. Elevated blood cortisol levels were also linked to smaller brain volumes. One factor that’s getting… Read More »