UCSF study finds catching a cold 4x more likely w/ 6 or less hrs sleep/night compared to 7 hrs http://t.co/mGrjuX9v6H pic.twitter.com/8nqA3SjKoE
— Cheri Mah, MD (@Cheri_Mah) September 2, 2015
UCSF study finds catching a cold 4x more likely w/ 6 or less hrs sleep/night compared to 7 hrs http://t.co/mGrjuX9v6H pic.twitter.com/8nqA3SjKoE
— Cheri Mah, MD (@Cheri_Mah) September 2, 2015