When there���s the slightest hint of my catching a cold, (especially now, during this COVID-19 season), I reach for my trusted remedies���vitamin C, lemon lozenges and a Sri Lankan herbal concoction that keeps any germs at bay. The other day, a tickle in my throat had me running to my pantry to secure effective armour for my battle.
 
Unfortunately, the four boxes of herbal remedy sachets had disappeared from their usual habitat. It took me a few minutes to work out where they were. My...