it is good for physical health as well as mental health. From our previous experiences we have already seen that not being physically present in a class has decreased the students creativity, there's no good relationship development between the students and the teacher, decreased students social skills, writing speed of most of the students, many students have lost interest in learning and there's no enthusiasm in students. Also like right now the students have stopped giving their personal opinion and thus rely on the internet.
If i understood your question right, the cars going straight have to keep going until the red light. but people going either left or right, have to slow down for the other people on the other side of the intersection to cross going either left or right.
Sodium and it can increase the amount of calories