India, June 28 -- Early greying in your 20s and struggling to remember things in your 30s can feel alarming, often prompting fears of premature ageing. While these changes don't necessarily mean your body or brain is ageing faster than expected, chronic stress can influence several biological processes linked to healthy ageing. However, genetics, nutrition, sleep, lifestyle habits, and underlying medical conditions also play an important role. (Also read: Who needs cholesterol injections? Delhi cardiologist explains when they're recommended and how they reduce heart attack )

Dr Neha Pandita, Senior Consultant Neurologist and Unit Head, Clinical Lead, Parkinson's Disease and Movement Disorders, Fortis Hospital, Noida, shares with HT Lifes...