Mark Wahlberg is learning new things about himself every day.

On Monday, the Spenser Confidential actor shared that he recently went to get tested for allergies and learned that he was sensitive to many substances.

In a picture shared on Instagram, Wahlberg, 49, revealed the results of his allergy scratch test, an allergist-administered test that determines immediate allergic reactions to multiple substances at once.

The results of the test, which was performed on Wahlberg's back, show that he is allergic to quite a few substances — as seen by the raised red bumps on his skin.

"It only took 49 years to realize I’m allergic to almost everything. 🤢," the actor captioned the photo, in which he is wearing a mask at a doctor's office.

Many of Wahlberg's followers teased the actor about his variety of allergies in the comments.

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