From 体外 to find 良性肿瘤和癌症, etc. causing reasons 的研究？

Such as, most obviously, Living Environments -- Natural Outside) and Inside -- Family or family members;

Working environments, people we are dealing with everyday, and how we are doing every detail of it ...

......

On and on,

Movies you love, sports you care, science fictions, novels, sings, musics, writings ... , change from time to time, person to person

Even the thoughts coming in and out your brain ...

The air we are breathing, smells like ....

... ...

Whether we have picked up angry or dislike from someone we have just met ..., it's causing an internal disturb