For the fact is that organisms are creative and make their environments in such a way as to become virtually part of it themselves. But at the same time environments (nature and other people) are active in the making of organisms. In many respects each one of these elements, organism and environment, form part of one another.
People can try to eat the correct things, take the correct amount of exercise, worry less and so forth. But in the end fate or destiny is seen as taking its toll. People die, to use a commonly used phrase, 'when their number's up'.
Green consumerism generally, and 'healthy' products and lifestyles in particular, contain quite precise notions about how an individual should consider his or her well-being. Not only is the market-place celebrated but an understanding of the 'natural body' itself becomes fetishised and idolised. Normality seems to have wholly dispensed with bodily illness and pain. Perfection is the norm, and one that can be gained through acquiring the correct products and perfecting the body.