In 2021, Public Health Scotland launched a targeted campaign to increase the uptake of free cardiovascular health checks for adults aged 40 to 74. Individuals identified as being at high risk of heart disease or stroke were provided with preventative advice, early medical treatment, and lifestyle coaching to avoid future acute health crises.
(Source adapted from NHS Scotland public health archives, 2021)
With reference to the extract above and your economic knowledge, analyse why preventative health checks may generate external benefits.
