7 Science-Backed Benefits Of Walnuts For Your Brain & Beyond

Of course, if you’re allergic to walnuts, you should leave this food off the menu. Nut allergies can cause anaphylaxis, which can be fatal. Even if you think you’re only allergic to other nuts, check with your doctor before consuming walnuts. Chaudhry says tree nuts can be closely related and may cause cross-reactions.