'build up tolerance' is a correct and usable phrase in written English.
You can use it to say that someone is increasing their ability or capacity to bear something unpleasant or difficult. For example, "John has been running every day for the past month so he can build up tolerance to longer distances."
I suppose J junkies build up tolerance.
Treatment is either by avoiding the trigger food, or going through a process of desensitisation where tiny amounts are introduced gradually into the diet to build up tolerance.
I swam in an unheated lido throughout the winter to build up tolerance to cold water and travelled to Finland to take part in the World Ice Swimming Championships.
There's a process called "skin hardening", which isn't a literal hardening of the skin, but instead means you build up tolerance to sunlight, bit by bit.
(Occasionally coconut oil can block pores, so make sure to test it out on your skin and build up tolerance beforehand).
For severe insomnia, doctor-prescribed sleep medication may be required, but regular use can build up tolerance and even reliance on the drug.
In an assessment of claims data after four years, the drug industry told the FDA that 12,916 of 25,322 patients who took the drugs, or about 51percentt, had not built up tolerance to opioids, according to FDA standards.
Opiate drugs have the same effect as the body's natural opioids, and just as people build up tolerances to drugs, develop cravings, and suffer withdrawal symptoms, similar processes play out with relationships.
Just as a drug user builds up tolerance to certain drugs and needs more and more to get the same effect, those who watch explicitly violent films need more and more "action" to get the same effect.
It also increases your alertness and awareness like a kind of turbo-charged caffeine only without the jitters, withdrawal and tolerance build up.
