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COVID-19 may have been viewed and treated primarily as a respiratory illness, but it is more sinister and pervasive in its impact on the human body as it may affect the brain thereby accelerate or trigger neurodegenerative diseases such as Alzheimer's and Parkinson's, according to a doctor. Describing the pandemic as 'a beast with a thousand heads', Dr Yatish Agarwal, senior professor, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi, says the effect of the COVID-19 extends far beyond the nose, throat, and lungs and may infect the brain, the most vital bodily organ. Vast clinical studies reveal that neurological complications occur in 36-84 per cent of COVID-19 patients. Strangely, many people who experience neurologic symptoms that linger after the disease are less than 50 years old and were healthy prior to the infection, he points out in an exclusive article for Manorama Yearbook 2023. Panic attacks, obsessive compulsive disorder and depression can occur among