Even though some of the destinations might have been more efficiently visited by plane, Byrne always took a company car, often resulting in very long workdays.
workdays lost per year due to migraine was estimated at 270 days per 1000 persons, compared with 820 for tension headache.
The Friends have regular workdays for volunteers on site on a Tuesday and sometimes at weekends, to do conservation work/projects.
Therefore, the £ 5,000 has been added to net salary and benefits before calculating and deducting the amount attributable to overseas workdays.
Depression is now the leading cause of mental disability, costing £ 32 billion a year in lost workdays.