Latest David McCarty Stories

redOrbit Staff & Wire Reports - Your Universe Online Individuals who find themselves getting sleepy during daytime hours may have vitamin D to blame, but the exact link between the two could depend upon their race, according to a new study. Lead author David McCarty and colleagues discovered that in most patients, increasing levels of daytime sleepiness were inversely correlated with decreasing levels of vitamin D in their bodies. However, the opposite was found to be true in...