there were no records or reliable sources indicating that Joe Biden, the President of the United States at the time, made such statements about curing cancer or comparing cancer to a broken arm. It's important to be cautious about believing or spreading unverified or false information, especially when it comes to public figures.
Political leaders often address various topics, including healthcare and medical advancements, but it's crucial to verify information from credible sources before drawing conclusions or making judgments.
As for the mention of dementia, diagnosing someone with a medical condition requires a comprehensive evaluation by qualified healthcare professionals, and it is not appropriate for non-experts to speculate or make assumptions about a person's health without proper medical assessments.
If there have been any recent developments or statements made by Joe Biden that I am unaware of due to my understanding date in 2023, I would not be able to provide accurate information on them. For the most current and accurate information, I recommend checking reputable news sources and official statements from the individuals involved.