Ignition is usually the easiest of the three to check because on most engines, all you have to do is pull off a plug wire and check for spark when the engine is cranked. On coil-over-plug DIS systems, there are no plug wires so you have to remove a coil and use a plug wire or adapter to check for a spark.
Stress can affect every part of your body. muscle aches, head aches, how your hair grows, the texture of your skin, it can affect your menstrual cycle.
The immune system is the bodyâs form of defense. It is comprised of organs, tissues, cells and cell products that all work together to fight harmful substances like the pathogens that cause infection and disease. There are two main ways that stress has a direct, negative effect on the immune system: 1. It creates chronic inflammatory conditions.