Brain and Spine Problems

When I laugh, the back of my head tightens up and hurts. Please tell me why this happens? This happens when i usually laugh for more than 2 mins

In findings I see 7x6 MM calcified granuloma In right occipital region, doctor said nothing serious and dint gave  any medicine. Is this related to Brian or sinus.

My memory is getting weaker day by day. I tend to forget things which I have studied 5 minutes ago. Which specialist should I consult ? Can hypothyroid be the culprit in such cases or do I need thorough investigation ?

I feel - slurring in my speech due to which now i have avoided talking. - un coordinated steps,its like they are not in control - i stumble while talking - mild headache almost everytime (diagnosed with migraine 3 years ago) *all of this is just so embarassing.

No intracranial hemorrhage/calvarial fractures This is the impression we received from ct scan brain report

Due to bike accident losing  consiousnes and talking like abnormal type. Is there any chances of loosing memories or just a shock.

After bike accident observed head and face injuries, which treated and done ct scan but found nothing. But after two days talking abnormal. Please advice sir if any. He is consious and knowing every one but talking abnormal.

I have recently done a MRI of brain which shows cystic lesion at the lateral aspect of left hemimandible and few smaller cyst in the Left parotid gland. Is this dangerous? I need to be worried about?

*Please read it fully* I have back pain from 1 year which is from the lower back to throughout the left leg. I have consulted few doctors in my home town. They said it's a minor disk bulge which is visible in the MRI report. They prescribed few medicines like nerve relaxers , pain killers and vitamins. The pain was less while in this treatment period. I was advised to used lumber belt and traction for a period of time. My back pain is gone  it's more or less from the beginning. But the problem is I have problem in walking and pain in the leg. I came to Bangalore for treatment and consulted few doctors. 1st doctor said the MRI scan is not properly visible and there is nothing to worry about the report. But according to my condition he said there may be a tumor in the spinal area which can be only confirmed by a new MRI and Blood test. 2nd doctor said it's visible in the same MRI report and nearly forced me for a surgery. I'm very much confused about my situation. Need suggestion.

Due to bike accident losing  consiousness and talking like abnormal. Sir please advise it is a shock or anything else.