Adding lithium to tap water could prevent thousands of dementia cases, new study suggests

Adding lithium to tap water could prevent thousands of dementia cases, new study suggests

Thousands of cases of dementia could be prevented by increasing levels of lithium in tap water, a major new study has suggested. Scientists at the University of Copenhagen compared dementia rates to the natural quantities of lithium in water for more than 800,000 people in Denmark, from areas occupied by nearly half of the population. They found that in places…