Eat colorful fruits and vegetables, like berries, broccoli, carrots, etc. Don't stare at a screen too close, and take a break every hour. Drink lots of water, and try to look far distance.
Answer:
Ignition sources
Explanation:
Lightning
Smoking
Electrical and mechanical sparks
D your nervous system controls your sleep cycles,breathing rate, body temperature it controls a lot.
Always think better. For example think of it this way, you may not be alive tomorrow, appreciate what you have.
Also you can just do what you want, once you die, you cant do the things you wanted.
