Suppose a new study finds that regular exercise can significantly reduce the risk of heart disease in individuals over the age of 50. The study looked at participants who engaged in at least 30 minutes of moderate exercise five times a week, compared to those who were sedentary. The results showed a 30% decrease in heart disease risk for those who exercised regularly.
Can we infer that "All individuals over the age of 50 who exercise regularly will never develop heart disease."? Yes, no, or maybe?