Interestingly Mobil II is also known as ox26. How many guys have in there military guys vented Tornado gearbox's 6 times a day and had to inhale the mist?
All the symtoms are evident in most engineers but are normally just taken as course or attributed to other things. We are unfortunately dishonest to ourselves and buy our very nature just get on with it.
Free checks are available from the NHS. Go and see your GP and hold the industry, both aviation and oil, to account.