A 25-year-old tested positive for the infection twice within 48 days, with swabs coming back negative in-between.
Dementia is an umbrella term for a range of conditions that cause a decline in brain function.
More than three million anxiety-related searches were carried out in the US alone during the first 58 days of its outbreak.
Grace Havens was rushed to hospital when she developed a purple spotty rash following days of severe pain.
A team from the University of California, Irvine, developed a jab that removed tell-tale dementia plaques from the brains of mice.
The 'High School Musical' heartthrob was filming the upcoming adventure show 'Killing Zac Efron' in the run-up to Christmas.
Contentment in the way life has played out is thought to motivate elderly people to better look after themselves.
The blue light emitted by electrical devices was long thought to suppress the “sleep hormone” melatonin by “tricking” the mind into thinking its daytime.