Answer:
I'm blue, but when you see me I'm red. You don't see me too often. I'm there for you if you're hurt, but I'm good for you. What am I?
I am a food with 5 letters. If you remove the first letter I am a form of energy. Remove two and I'm needed to live. Scramble the last 3 and you can drink me down.
I can be cracked, made, told, and played. What am I?
I go up and down at the same time. Up towards to sky and down towards the ground. What am I?
You write on me and secrets I can keep. In places never seen. I spin like a top. Though stiff as a board I'm often described like a mop.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?