WHO report: 1.4 billion adults had hypertension in 2024 as cells stabilize blood pressure
GS3Economy · S&T · Environment · Security· Biotechnology & health research· Prelims·
Public health and Science & Technology: Epidemiology of hypertension and neurological regulation of blood pressure.
Why in news
The WHO reported that 1.4 billion adults had hypertension in 2024 while researchers at the University of Virginia School of Medicine identified specific brainstem neurons that stabilize blood pressure.
Background
A WHO report indicates that 1.4 billion adults aged 30 to 79 had hypertension in 2024, accounting for nearly 33% of the population. Research published in Circulation Research identified brainstem neurons in the rostral ventrolateral medulla as key regulators of blood pressure stability.
Facts for Prelims
- FactWHO reported 1.4 billion adults aged 30 to 79 had hypertension in 2024
- FactHypertension affected nearly 33% of the global adult population in 2024
- S&TBrainstem neurons in the rostral ventrolateral medulla are responsible for stabilizing blood pressure
- S&TLoss of a few hundred cells in the rostral ventrolateral medulla can cause blood pressure fluctuations
Prelims practice question
Which specific brainstem region contains neurons responsible for stabilizing blood pressure?
- (a)Rostral ventrolateral medulla
- (b)Cerebellar cortex
- (c)Occipital lobe
- (d)Hypothalamic nucleus
Show answer
Answer: (a) Rostral ventrolateral medulla — Research identified brainstem neurons in the rostral ventrolateral medulla as key regulators of blood pressure stability.
For Mains
Q. Discuss the public health challenges posed by the rising global prevalence of hypertension and the role of neurological research in developing targeted interventions.
Dimensions to cover in your answer
- Epidemiological burden: High prevalence among adults aged 30-79 necessitating large-scale screening
- Diagnostic complexity: Fluctuating blood pressure readings despite normal averages due to neuronal cell loss
- Preventive healthcare: Need for integrating neurological insights into hypertension management protocols
Keywords: Hypertension · Public Health · Rostral Ventrolateral Medulla · Epidemiology · Neurological Regulation
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