Seasonal viruses - particularly the flu - can affect maternal health and fetal development too. Gestation during wintertime, with its short days and long nights, can cause seasonal affective disorder (SAD) in mothers, with low serotonin levels in the เบอร์มงคล ais maternal brain potentially leading to similar shortfalls in the baby. Even after birth, babies continue to be shaped powerfully by the world around them. One 2010 study conducted in เบอร์มงคล ผลรวม 45 mice found that mouse pups born and weaned in simulated winter light adjusted less well to a change to summer light, exhibiting poorer feeding habits and activity levels. Mice born and weaned in summer light had no such problems adjusting to winter conditions. Subsequent study of the brains of the mice found that a gene that regulates circadian rhythms was overall less active in the winter-born mice. A flurry of recent studies in the last half-dozen years have sought to extend these findings to humans, with researchers profiling the temperaments of college students and adults and then tracing back to their birth seasons, looking for broad seasonal patterns. Consistently - if preliminarily - theyve found them. (Caution: Your results may vary.) Spring: Congratulations, March, April and May babies, you score high on the hyperthymia scale - which is actually good.
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