Est-il dangereux de sentir l'air circuler dans la tête pendant la respiration ?

These symptoms together with unintentional loss of weight are worrisome. This could happen for many reasons including pulled muscles or problems with the cervical spine but it could also be something more serious so I would advise seeking medical attention soon so you can find out what is wrong before starting any treatment plan.

The stroker or synchronized swimming effect of water can occur after a stroke due to weakness in the throat muscles. Ask the doctor if they can refer you to a speech therapist to help improve swallowing. They may also suggest safe methods for eating and drinking. 

You mentione­d ongoing issues but didn't give details. Symptoms may ste­m from stress, poor sleep, or e­ven medical conditions. To address this, track symptoms in a journal. Maintain a nutritious die­t. Ensure sufficient rest. Conside­r seeing your doctor for an evaluation.

The re­d skin, tingling, pain, and nerve issues could be­ from too many bad molecules in your body. These­ bad molecules can hurt cells. To he­lp stop the bad molecules, e­at more fruits and veggies. Also, talk to your doctor about helper pills that may stop the­se issues from the bad mole­cules.

If you're considering Alpha GPC to enhance your studies, proceed with caution. A safe daily dose for a 19-year-old is 300-600 mg, but it's best to start with a lower dose for a few days to see how your body responds. While Alpha GPC may improve cognitive function, remember to maintain a balanced diet, stay hydrated, and get enough sleep for overall health and focus.

As your symptoms indicate, you may be suffering from a migraine or tension headache. But one should not exclude the possibility of serious conditions. I suggest consulting a neurologist for further detailed diagnosis. While you wait, work on reducing your stress and have a good sleep at night. Recall that your health should be considered first and you might need medical attention if the situation requires so.