@CNN: Chronic fatigue syndrome, a condition that causes extreme tiredness, could be triggered by an overactive immune system, a study has found https://t.co/ZhxsaDQ7EP https://t.co/7kWvKW99os
Chronic fatigue syndrome, a condition that causes extreme tiredness, could be triggered by an overactive immune system, a study has found https://t.co/ZhxsaDQ7EP pic.twitter.com/7kWvKW99os
— CNN (@CNN) December 18, 2018