Low levels of the stress hormone cortisol marks out children at higher risk of developing chronic fatigue syndrome as adults, experts believe.
http://news.bbc.co.uk/1/hi/health/7811359.stm
Low levels of the stress hormone cortisol marks out children at higher risk of developing chronic fatigue syndrome as adults, experts believe.
http://news.bbc.co.uk/1/hi/health/7811359.stm