Explain why head circles and arm circles are considered dangerous exercises.

An 81-year-old man and avid reader had a mild stroke from which he eventually recovered. he did have some residual signs and symptoms, however, such as: - right-sided homonymous hemianopia (i.e. loss of vision on the right half of the visual field in each eye) - alexia ("dyslexia"), the inability to read, which greatly frustrated this man - loss of sensation on the skin on the right side of the body why was this man unable to see the right half of his field of vision?

Can someone give me one specific health problem (within unhealthy eating) and explain it. !

Rotation of the head is made in atlanto-occipital joint or not?