It is usually you that chooses whether you exercise, smoke, how much and what you eat and drink. These choices can effect your health. Your personal decisions are often influenced by the values of groups that are of special importance to you. Individuals facing discrimination can appeal to the community for protection see public policy . But is that an excuse not to use any information at all to protect your health.
Risks are more certain for the group, but uncertain for the individual.
That's the nature of risks. If the risk in the population are 1000 per 100,000 per year - a community of 100,000 can have more certainty that there will be 1000 selected events over a year. You might feel pretty safe if your risk is 1 in a million, but that one person will be mislead. More uncertainty when existing research of issue is weaker Health research is a long term process and goes through a series of stages. In early stages, research findings suggest hypotheses that could be tested in further studies.