Answer:
It's possible.
Explanation:
It said if they were nearly as smart as humans. They never said if they were as capable as Humans. Naturally, some would be smarter than others so some might be able to live here but others might have to have their own country. So, it is likely that some Neanderthals will be able to live in modern society, though not all.
Science can be applied to many things the earth around us. Maybe even technology for example self-driving cars is a part of science!
Here are some examples of symptoms of over-training, any symptom that is given in the choices in your question, is not included to the symptoms of over-training.
First is the Lack of Motivation, wherein individuals lose their rhythm of training due to their lack of motivations or due to his or her excessive training. Second is the feeling of being sore following a big workout, big workouts should not be done many times, instead it should be controlled or sometimes distributed to other days, it could also lead to symptoms such as, Losing one's Grip Strength and Chronic Soreness in one's joints, bones and limbs. Next is becoming restless or the lost of one's focus, too much training removes rest from an individual and he or she may also lose their focus on why they are training, lastly, the feeling of being sluggish all day and becoming sick more often due to excessive training which is because of a sore body or weakness due to training.