They can help lower depression, They can help visual and neurological development in infants, They can help help reduce inflammation, They can reduce the symptoms of ADHD, And it can also help with Alzheimers and Dementia.
Well when you talk you need to communicate for your needs. For example if you are hungry you need to communicate and it is safer for people
I think the answer would have to be "B. Overtraining"
The presence of different ribosomes inside a eukaryotic cell strengthen the endosymbiotic theory because it is important