But under certain conditions, such as those mimicking a cold environment, these progenitor cells can be induced to make more brown fat.
但是，在某些条件下，如模仿一个寒冷环境，这些母体细胞可被诱变，从而产生较多棕色脂肪。
2
More than 18 million induced abortions each year are performed by people lacking the necessary skills or in an environment lacking the minimal medical standards, or both, and are therefore unsafe.
These experiments confirmed that the environment-induced increase of BDNF in the brain and consequent decline in leptin were causatively involved in the observed beneficial effects.