Time for more vitamin D.  Missing out on the "sunshine vitamin" has consequences for more than just bone health.
D000368:Aged; D002318:Cardiovascular Diseases / Q000209:etiology; D005260:Female; D006801:Humans; D006887:Hydroxycholecalciferols / Q000378:metabolism; D008875:Middle Aged; D012621:Seasons; D014466:Ultraviolet Rays; D014807:Vitamin D / Q000627:therapeutic use*; D014808:Vitamin D Deficiency / Q000150:complications / Q000188:drug therapy*; D014815:Vitamins / Q000627:therapeutic use*
D006887:Hydroxycholecalciferols; D014815:Vitamins; D014807:Vitamin D