Lifestyle is simply the way of life of a particular person or group of people; this may include the places they live in, the things they own, the kind of jobs they do, the activities they enjoy, their means of attaining pleasure and perhaps ways of achieving their desire.

A man may design a lifestyle suitable for him of which if another man picks it, it could lead to displeasure for him. How many of people trending on a particular lifestyle which of course does not befit but causes them a lot of distress instead. Unfortunately, to get off it is difficult due to addiction.

Sound health can be achieved  through promoting and encouraging  activities related to health management and maintenance, like regular physical exercise and adequate sleep, reducing or better still avoiding, activities or situations that could cause deficiencies to your health, such as excess and inappropriate eating, smoking & drinking, excessive stress, inappropriate positions(standing or sitting). 

Moreso, there are some factors that can affect your health negatively, perhaps due to individual choices, such as engaging in a high-risk behavior, while others maybe due to structural causes, like the structural arrangement of societies  that makes it easier or harder for people to get necessary healthcare services and provisions. While other factors are beyond the individual preferences, like genetic disorders.