Suppose A recent study showed that regular exercise can help improve mental health by reducing symptoms of anxiety and depression. Additionally, the study found that participants who engaged in physical activity at least three times a week reported higher levels of overall happiness and well-being. Dr. Smith, the lead researcher, shared these findings in a press conference. However, some critics argue that the study's sample size was too small to draw definitive conclusions. View the full report here.
Can we infer that "Dr. Smith believes exercise has no impact on mental health."?