How Does Parkinson’s Disease Affect Sleep?
Parkinson’s disrupts sleep through multiple, overlapping mechanisms: dopamine depletion, REM sleep behaviour disorder, and motor symptoms like nighttime stiffness, cramps, and difficulty turning in bed. Over 75% of patients report significant sleep disturbances,...
DBS Surgery After 10 Years of Parkinson’s: Does It Still Work?
Deep brain stimulation (DBS) is one of the most effective long-term options for advanced Parkinson’s disease, but patients considering it often ask the same thing: will it still help a decade from now? Dr. Guruprasad Hosurkar, a leading neurologist in Bangalore,...
How Quickly Must Stroke Treatment Begin to Prevent Permanent Brain Damage?
During an ischaemic stroke, neurons die rapidly with every minute that blood flow is interrupted. The brain has no pain receptors to signal this destruction, so the only indicator of accumulating damage is time itself. Every delay between symptom onset and treatment...
What Is the Difference Between Normal Ageing and Early Dementia?
The brain changes with age in entirely normal ways, including slightly slower processing speed, occasional word-finding difficulty, and taking longer to learn new information. Amyloid and tau accumulation in the brain begins 15 to 20 years before any clinical symptoms...
Can Dementia Be Prevented or Slowed Down?
Dementia cannot be fully prevented, but the 2020 Lancet Commission identified 12 modifiable risk factors that together account for up to 40% of all dementia cases worldwide. These include hypertension, physical inactivity, smoking, excessive alcohol, obesity,...