연구가들이 수집해 온 증거에 의하면, 수면 부족은 학습과 기억력 문제, 운동 기능 장애, 면역계 약화 등을 초래합니다.
It covers all the main aspects of trade in goods and services (tariff and non-tariff barriers, trade protection measures, in particular in cases of dumpingand subsidies, export credits) and the important issues of intellectual property, investment and competitionjw2019 jw2019