Blood levels of stress hormones in free-living great tits vary greatly. As the great tits encountered various ambient temperatures, the researchers noted significant variations in how strongly the levels of the glucocorticoid hormone changed in various individuals.
Washington [US], August 6 (ANI): Youngsters are likely to suffer the brunt of the worsening health effects of rising global temperatures due to record levels of obesity and physical inactivity, a new comprehensive analysis of recent studies on the topic gave a clear warning.