Immunity - a huge benefit our health. But scientists have found that is not always stable immunity acts for good. The main advantage of strong immunity - a extension of our lives. Medical professionals vying give advice on how to strengthen our immune system. But it turns out, there are also possible negative aspects. A strong immune system may reduce ability to bear children. At least, so say the staff at Princeton (USA), and Edinburgh (UK) universities. Eleven years they studied the population of wild sheep on the island of Hirta. It is located in the archipelago of St Kilda (160 km west of Scotland).
The researchers found that sheep whose blood contained more antibodies, lived longer and were much hardier other individuals. But they parity It was much worse than the rest. In the spring they made a lot less offspring than other individuals. Conversely, sheep with a low antibody level or less strong immunity usually they live less and die earlier. But every year they have a posterity.
These investigators are very important. Immunity of wild animals remains largely a mystery to scientists. Meanwhile, some key secrets of immunity in animals, and may clarify the mysteries of the human body.
Pregnancy and Gynecology
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