For starters, ginseng is considered an adaptogen, which means it helps your body to withstand mental and physical stress. Delving further into the benefits first requires understanding the different types of ginseng available.
The definition of inconsistent is something that is not uniform or not the same throughout. When one scientist does an experiment and gets one result and the other does it and gets a contrary result, this is an example of a situation where the results are inconsistent. YourDictionary definition and usage example.
An estimator is consistent if it converges to the right thing as the sample size tends to infinity. Converges can be interpreted various ways with random sequences, so you get different kinds of consistency depending on the type of convergence. Inconsistent just means not consistent.