Your friend could be having a panic attack. A state where the person has rapid breathing, cold hands and feet, sweaty palms, and feeling unable to move is the most common one during a panic attack. The reasons may be different but the stress or anxiety stage is often the cause. Advise your friend to breathe slowly and deeply to stay calm and composed. Offer them strong reassurance and be a steady presence to help them through it.

This could be related to various underlying issues. Feeling a lack of hunger, fear, itching legs, vomiting, and a persistent feeling of unhappiness can be signs of physical or mental health concerns.

According to your LS spine MRI, you can discern that you most probably have a herniated disc. You should make an appointment with a spinal-disorder specialist to get more thorough advice and treatment. 

Headaches can come from many different things. Sometimes it’s because you’re thirsty or you haven’t had enough to eat. Being stressed out or looking at screens for too long can also give you a headache. Drink some water, have a healthy snack, and take a break from screens. If the headache doesn't go away, seek medical help.

You find yourself to be mentally down as a result of the treatment, which was proton beam therapy for your brain tumor. This is a natural outcome because the treatment hurts the healthy brain tissue. Some usual symptoms are fatigue, memory problems, and a problem concentrating.  Make sure you rest, eat the right foods, and keep in contact with your healthcare team. Alongside counseling, look into this support program for a solution.

While it's natural to worry, it's unlikely that the small amount of substances from detergents or toothpaste in the water would cause significant harm to your brain. Eating the food grown in the garden is generally safe, as plants can filter out harmful substances. It's encouraging to know that your health reports are okay. Getting a brain MRI and urine test for peace of mind is a proactive step, and it's okay to do. 

Headache near eye/ear usually due to sinuses/eye strain. Stress, allergies, infections can trigger.OTC painkillers, rest, hydration can alleviate. In chronic cases, consult doctor. Avoid triggers, maintain healthy lifestyle. 

Creative tension, lack of rest, or even strained eyes could cause headaches. You should visit a doctor who will check to see if there is something serious and give you ways to reduce the pain.