Seasonal immunity: Activity of thousands of genes differs from winter to summer
12 May 2015Our immune systems vary with the seasons, according to a study led by the ¹ú¼ÊÃ×À¼¶ÔÕó¿ÆÄª that could help explain why certain conditions such as heart disease and rheumatoid arthritis are aggravated in winter whilst people tend to be healthier in the summer.