A healthy body has a strong energy field, and the negative energy field is not easy to invade. People who are weak or sick also have weak energy fields and are easily invaded by negative energy fields.
The way to deal with negative energy field: exercise, enhance the function of your own energy field and prevent the invasion of negative energy field. If you are invaded by negative energy field, it is difficult to solve it yourself, and you need to ask experts to help you solve it.