A letter and an essay
and vegetables a day, and taking 20 minutes' exercise three times a week reduces this risk and can prevent disease.
As regards genetic factors, the situation is not so clear. Certain genetic factors mean that some people are forced into a
lifestyle. For example, people who have certain allergies have to avoid foods containing the things they react badly to. In this case,
avoiding certain foods as prevention is obviously necessary. Other more serious genetic diseases, for instance neuropathies,
spinocerebellar degenerations, and certain metabolic disorders, cannot be treated by prevention and need to be treated medically.
In conclusion, although many illnesses are preventable, in some cases, however, it may already be too late for any prevention
efforts; and the money could be spent on research and on developing cures for people with chronic disorders.
Dear Sir/Madam,