Some claim that hormonal balance has a role – in winter our body uses most of its serotonin reserves and we can not recover them, because of lack of sunlight. This makes many people feel exhausted and depressed. Another plain thing that is commonly pointed to cause spring fatigue is the scarcity of vitamin D, which also is connected to regular exposure to light from the sun. Many professionals say, that lack of vitamin D can cause spring exhaustion, but only when coupled with other factors. Nevertheless no matter what makes some of us so tired in the 1st weeks of spring, there are few points that will help you beat this condition.Related StoriesMeat-rich diet may increase kidney tumor riskFDA grants accelerated authorization for Tagrisso to take care of patients with advanced NSCLCCrucial change in single DNA foundation predisposes children to intense form of cancerThe researchers discovered that guys with Gleason score 7 and tertiary grade 5 disease had a considerably shorter period to PSA failing than men with 7 without tertiary grade 5 ; or rating of 6 or less . However, a significant difference was not observed when these males were compared with men with Gleason score 8 to10 disease .2M Affymetrix, Inc., today reported its operating results for the first one fourth of 2010. Total income for the one fourth was $80.2 million, as compared to total revenue of $78.6 million in the first quarter of 2009.4 million, support revenue was $4.5 million, and royalties and other revenue were $2.3 million.