The TikTok user Andy Jiang is using his platform to teach people small but effective ways to control their body's reactions.
His video series "Tricks That Give You Power Over Your Own Body" help people with everything from managing cramps, to dealing with sleeping limbs.
Here are a number of tricks Jiang shared throughout his series, that you might find come in handy.
A perfect tip if you're trying someone's bad cooking.
This is useful for anyone living in a large city without public bathrooms.