Heart Health
Heightened activity in the amygdala - a region of the brain involved in stress - is associated with a greater risk of heart disease and stroke, according to a study published in The Lancet.
Repeatedly losing and regaining weight, known as weight cycling or yo-yo dieting, may increase the risk of death from heart disease among postmenopausal women.
Technique paves the way for more complex, customizable devices.
Taking calcium in the form of supplements may raise the risk of plaque buildup in arteries and heart damage, although a diet high in calcium-rich foods appears be protective.
The risk of a heart attack is more than tripled, according to the largest-ever study of its kind.
The researchers hope the new device will help "track heart health or monitor physical and environmental variables to predict and prevent asthma attacks."
According to a study of 4,046 genetically identical twin pairs.
Nine simple questions could help emergency doctors pick up on dangerous, hidden conditions.