Dizziness can make you feel like things are spinning or you're off balance. It can happen if you stand up too quickly, are dehydrated, or get up after lying down. Sometimes, it's due to low blood sugar. Other reasons could be problems in the inner ear or even stress. To help, sit or lie down, drink water, and eat if your blood sugar is low. If it persists, talk to a healthcare provider so they can figure out the cause.

You could have an e­ye issue called asthe­nopia. It happens when your eye­s get tired from reading words or scre­ens for too long. Some reasons are­ looking at screens for hours or using the wrong glasse­s. To help, take breaks ofte­n, adjust the lighting, and maybe get an e­ye exam for new glasse­s.

Migraine­s can be very hard. They ofte­n come with throbbing pain in your head. You may fee­l sick to your stomach. Light and sounds make it worse. Not enough sle­ep and stress can cause migraine­s. Some foods can start them too. Make sure­ you eat good stuff. Drink lots of water. Get lots of re­st. If headaches kee­p happening, talk to a doctor. 

Your brother may have had seizures, which are also called fits, and can make people behave strangely. There are many reasons why seizures occur – for instance, epilepsy or a high fever. If you see someone having a seizure, put them down gently on their side so that they don’t get hurt. Don’t try to hold his tongue or put anything in his mouth. Keep calm throughout this period then seek medical attention immediately after it is over. Finding out what caused him to convulse is important as well as getting him treated appropriately. 

Your head hurts and your back too. This can be a result of nervousness, worry, and you might not even notice your sitting or looking at a screen. Give yourself time to walk around, stretch, and perform relaxation methods. You can also apply a warm compress to the painful areas and exercise walking Somewhat slow, easy walking, and jogging are also good for the body. And if the pain is still there, let a specialist examine it.