Some have gone further, suggesting the President's apparent memory lapses, language problems, poor judgment and growing aggression could match classic early warning signs of dementia. Speech therapists also say people with logorrhoea can dominate conversations, talking over others or failing to register cues that someone else wants to speak. However, there is currently no cure for dementia – which can worsen language problems as it progresses. High blood pressure, another risk factor for vascular problems, has also been linked to an increased risk of dementia in older age. Memory problems, confusion, difficulties with thinking and reasoning and language issues can all be early symptoms, before worsening over time.