Final answer:
A positive mental attitude can have a physical impact on a person's health, leading to reduced stress levels, a stronger immune system, and a lower risk of cardiovascular problems.
Step-by-step explanation:
Yes, a mostly positive mental attitude can affect a person physically. Research has shown that having a positive mindset can lead to various health benefits, including lower stress levels, improved immune system function, and reduced risk of cardiovascular problems. For example, studies have found that individuals with a positive outlook are less likely to develop heart diseases.
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